Power meters and computers at the Tour de France: Who's using what?

A roundup of the Tour de France teams' choice of power meters and cycling computers

WorldTour Cycling Computers

"Professional cycling has become a game of numbers, with riders paying such close attention to their power numbers and heart rates that they become obsessed." Those are the words of Vini Zabù-KTM manager Luca Scinto, who banned his team from racing with power meters and heart rate data in January of this year. 

Power meters have long been a source of contention in the WorldTour peloton. The conversation has rumbled on in the background of professional racing for many years and has involved names such as Alberto Contador, who suggested the removal of the technology would "even things out" after the Team Sky train tactic was everpresent in the high mountains. Current Tour de France director, Christian Prudhomme, who went so far as to state that power meters "annihilate the glorious uncertainty of sport."

All that aside, power meters are still very much a part of the pro peloton, and yet, the 2019 Tour de France was widely considered as one of the most exciting of all time. The 2020 Tour has seen the return of the 'train' tactic, with Ineos Grenadiers being beaten at their own game by Jumbo Visma, but the race is still as explosive as ever, and power meters are benefitting more than just the riders on the road. Thanks to riders sharing their data on Strava, we can marvel at the massive numbers just like we did with Pogacar's power on the Peyresourde . 

Over recent years, power meters have improved drastically. Paired with cycling computers, power data is available instantaneously, allowing riders to see their effort in real-time and calculate their race accordingly to ensure they don't go too deep too early. 

  • Want to capture your data? Check out our guide to the best power meters
  • Our guide to the best cycling computers will help you choose which is right for you
  • Choosing the best heart rate monitors will provide a more rounded picture of your effort

Cycling computers can do considerably more than just capture this data, too. The best options can do everything from GPS maps to show the road ahead on a fast descent, provide overviews of upcoming climbs to help riders see how much further to the top, and display kilojoules expended to help a rider fuel accordingly. They say knowledge is power, and it's a safe assumption that there would be a considerable advantage to a team with a better cycling computer. 

We've already done the Tour de France helmets and Tour de France shoes , so without further ado, let's take a deep dive into which team is using which power meter, who has which cycling computer, and most importantly, where can you buy one so that you too can be as fast as Primoz Roglic… wait, no that's not how it works, sorry. 

Cycling computers

 garmin .

  • Used by: Astana Pro Team, Bahrain-McLaren, CCC Team, EF Pro Cycling, Groupama-FDJ, Mitchelton-Scott, Movistar Team, NTT Pro Cycling, Ineos Grenadiers, Team Jumbo-Visma, Trek-Segafredo, Total Direct Energie

Garmin is well and truly on its way to a monopoly of the Tour de France peloton, with more than half of the race using Garmin computers for data collection. The range includes a number of models of different sizes, weights and feature lists. Some riders prefer the large screen of the Edge 1030 Plus, while riders such as George Bennett prefer the low weight offered by the minuscule 130. Between these, most riders have opted for the feature-rich, smaller-profile Edge 530 and touch screen 830. 

View the full range of Garmin cycling computers

Shop at Garmin.com

 Wahoo 

  • Used by: AG2R La Mondiale, BORA-Hansgrohe, Deceuninck-QuickStep, Team Arkéa Samsic

The challenger to the market leader in the cycling computer world is Wahoo, and in terms of Tour de France representation, it can be found on the bikes of four teams, however, you'll also find its turbo trainers outside the Ineos Grenadiers' bus. Teams have a choice of two computers, the newer Elemnt Roam, and the smaller-form-factor Elemnt Bolt. 

A nifty advantage to Wahoo teams is that the Elemnt computers can be screwed into the mount, which officially makes it a permanent fixture, and thus, counts within the 6.8kg weight limit. 

View the full Wahoo Fitness range

Read our Wahoo Elemnt Roam review

Go to Wahoo Fitness

 SRM 

  • Used by: Cofidis-Solutions Crédits, Lotto-Soudal

Way back in January, both of Cofidis' Nathan Haas and Lotto-Soudal's Adam Hansen gave us a sneak peek into the pro peloton's data screens . Both use SRM computers, and both spoke about the benefit of using the kilojoule feature to ensure they know how hard the day has been so they could fuel accordingly. 

The SRM might be the authority in the power measurement game, but its PC8 computer foregoes mapping, so riders might well be at a disadvantage when it comes to descending in unfamiliar territory. 

  • Used by: Israel Start-Up Nation, B&B Hotels - Vital Concept p/b KTM

We also got a similar look at Alex Dowsett's Bryton computer , who spoke about the benefit of map screens, enabling him a bird's eye view of corners, so he knows whether to scrub off speed or send it. 

View our Bryton Rider 420 review

Go to Bryton Sport

  • Used by: UAE-Team Emirates

Stages only has its technology aboard one team's bikes in the Tour de France, but it's chosen well, with the Colnago bikes of UAE Team Emirates. They have the choice of the Dash L50 and the slightly smaller Dash M50.

Read our Stages Dash L50 review

Go to Stages Cycling

  • Used by: Team Sunweb

When it comes to descending, few have impressed more at this year's Tour than Team Sunweb's Marc Hirschi. The large screen and clear of the Sigma Rox 12.0 will have likely assisted him along the way. 

Read our Sigma Rox 12 review

Go to Sigma Sport

Power meters

  • Used by: Astana Pro Team, Bahrain - McLaren, BORA-Hansgrohe, CCC Team, Deceuninck-QuickStep, Groupama-FDJ, Mitchelton-Scott, NTT Pro Cycling, Ineos Grenadiers, Team Jumbo-Visma, Team Sunweb, Total Direct Energie, Team Arkéa Samsic

Just like its domination in the groupset stakes (used by 14 out of the 19 WorldTour teams), Shimano also dominates the power meter representation on WorldTour bikes , and at the Tour de France, 13 of the 22 teams are using Shimano's R9100-P power meter crankset, which measures left and right leg power independently for even more granular data. 

For more information, here are all of the Shimano road groupsets explained .

Go to Shimano

Along with the SRM PC8 computers, the same two teams use the SRM power meters paired with Campagnolo groupsets. SRM invented the cycling power meter in the late '80s, and has long been considered the authority on the subject. The SRM power meter used by these two teams claims an accuracy of within one per cent.

  • Used by: Movistar Team, Trek-Segafredo

A subsidiary of groupset giant SRAM, Quarq offers power measurement built into the SRAM Red crankset used by both teams. The strange thing about these power meters is that they're fixed to the crank's chainrings, so when you eventually wear those out, you'll need to buy a new power meter. Not a concern to these guys who are, coincidentally, using chainrings that are actually unavailable to the public. 

Go to Quarq

Paired with their Stages Dash computers, UAE Team Emirates are also using Stages power meters, which essentially integrate the strain gauge into a matching crank for your groupset of choice… in this case, Campagnolo's Super Record. 

  • Used by: AG2R La Mondiale

Despite using Shimano's groupset, AG2R La Mondiale use cranks from Rotor, and with it, the same company's '2in1Power' power meter. 

Go to Rotor

  • Used by: EF Pro Cycling, B&B Hotels - Vital Concept p/b KTM

Power2Max, a German company that specialises in power meters, offers spider based power meters that are compatible with a range of cranks. In this case, they're paired with FSA cranks and used with Shimano's Dura-Ace groupset. 

Go to Power2Max

  • Used by: Israel Start-Up Nation

4iiii promises "WorldTour quality at industry leading prices", and it operates in a similar way to Stages in that its technology is affixed to cranks from groupset manufacturers. In this instance, it's the Dura-Ace crank, fitted with the Precision Pro power meter. 

Go to 4iiii

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Josh Croxton

As the Tech Editor here at Cyclingnews, Josh leads on content relating to all-things tech, including bikes, kit and components in order to cover product launches and curate our world-class buying guides, reviews and deals. Alongside this, his love for WorldTour racing and eagle eyes mean he's often breaking tech stories from the pro peloton too. 

On the bike, 32-year-old Josh has been riding and racing since his early teens. He started out racing cross country when 26-inch wheels and triple chainsets were still mainstream, but he found favour in road racing in his early 20s and has never looked back. He's always training for the next big event and is keen to get his hands on the newest tech to help. He enjoys a good long ride on road or gravel, but he's most alive when he's elbow-to-elbow in a local criterium. 

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Tour de France 2022: GPX

De 2022 edition of the Tour de France features six high mountain stages, six races in the medium mountains, seven flat stages – including one on cobbles -, and two ITTs. You’ll find free downloads of the GPX files of all stages on this page. So you can ride the stages whenever you feel like it. ( Slideshow route/profile )

If you want to try out the routes for yourself, please be aware that pro-races are played out on closed roads. Sometimes the routes may take you the wrong way down one-way-streets, while other sections may be on roads that are closed to cyclists.

Click on the links in the GPX column for the corresponding downloads

Tour de France 2022 GPX – free downloads

Tour de france 2022: route & profiles.

Click on the images to zoom

Tour de France 2022: entire route - source:letour.fr

More about the Tour de France

Tour de France 2021: Here's the technology making this year's race the most interactive yet

'Digital twin' of Tour de France route gives fans more data when they need it

Tour de France cycling

With the Tour de France 2021 set to roll out this weekend, this year's race looks set to be the most interactive ever thanks to a host of new experiences and services designed to help fans get (virtually) closer to the action.

This weekend sees the 108th edition of the world's biggest cycling event start in Brittany, in the north-west of France, with 184 riders travelling 3300km over the course of the next three weeks.

After a year in which fans have been starved of in-person action, and with an expected global television audience numbering in the hundreds of millions, this year's Tour is looking to utilize big data like never before to offer fans a whole new view of the race.

  • Check out our list of the  best cloud computing  services right now
  • We’ve also rounded up the best  cloud analytics  services
  • These are the  best cloud databases  on the market

Real-time data

NTT, the official technology partner to race organizers Amaury Sport Organisation (ASO) since 2015, will once again look to offer broadcasters, digital channels and fans a wealth of real-time data on the race.

Using small sensors mounted beneath the saddle (pictured below), NTT is able to provide real-time data on speed and GPS location of each rider in the race every 400 milliseconds. 

This data is transmitted using a moving mesh-network through gateways on the television motorbikes, helicopters and aircraft, where it is multiplexed with the broadcast video and transmitted to NTT's own "Big Data Truck".

Here, the data is augmented on the NTT cloud platform with 53 calculated attributes such as course gradient, weather data, group calculations, and time gaps in order to offer fans and broadcasters alike the key information they need to stay up to date with the race.

Digital twin

To supplement this, NTT has revealed that in 2021 it is creating a ‘digital twin’ of the race using IoT sensors, edge compute and networks alongside its own platforms and mapped against a geo-location model of each stage of the Tour. This will enable real-time visibility of key locations and assets, COVID-19 contact tracing and in-the-moment updates of caravan and race arrival times.

The company notes that the race is effectively the world’s largest connected stadium, albeit one that moves around France every day for three weeks, including savage mountain terrain in the Alps and the Pyrenees. It says creating a digital twin will offer detailed visualizations of the race as it happens, as well as improving digital experiences such as the ASO's live Race Center tracker system for fans.

  • Discover how to watch a Tour de France live stream from anywhere

"Every year we have been able to take the technology to the next level, this year we are creating what is essentially a digital twin of the event," notes Peter Gray, Senior Vice President, Advanced Technology Group, Sport at NTT Ltd. "It’s a highly dynamic and changing environment that requires immediate access to information to ensure continuous and smooth operations, resulting in more informed and engaged fans.”

“Technology plays a vital part in helping us innovate at the speed fans expect from their mobile and cloud-based applications, all the while providing event insights, rich analytics and intelligent digital solutions," added Yann Le Moenner, Chief Executive, ASO.

"Since 2015, we’ve brought a whole host of digital enhancements to the event to create the best ‘connected fan’ experience. This year is no different, delivering a data-driven experience across any device, wherever you are in the world.”

  • Can't-miss sport:  how to watch a  Euro 2020 free live stream

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Mike Moore is Deputy Editor at TechRadar Pro. He has worked as a B2B and B2C tech journalist for nearly a decade, including at one of the UK's leading national newspapers and fellow Future title ITProPortal, and when he's not keeping track of all the latest enterprise and workplace trends, can most likely be found watching, following or taking part in some kind of sport.

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Big data comes to the Tour de France

Live GPS tracking and analysis for all riders, plus GoPro cameras on certain bikes

Ben Delaney / Immediate Media

Ben Delaney

gps tour de francia

For the first time in Tour de France history, all riders racing in this year’s event have GPS transponders on their bikes, with the live data streaming to Tour organizers thanks to technology group Dimension Data.

Each rider has a transponder mounted to his saddle rails. This will be used by every rider for every stage of the Tour.

The data collected from this will include:

  • the stage winner’s top speed, average speed and time per kilometer
  • the fastest riders up key climbs
  • the speed of the winner at the finish line
  • the top speed achieved by a rider on the day
  • average speed across all riders

“The technology will allow cycling fans to follow the race in ways they’ve never been able to before,” Dimension Data executive chairman Jeremy Ord said in a press release. “Until now it was difficult to understand what was happening outside of what could be shown on the live television coverage. The ability to follow riders, get accurate information about which riders are in a group, and see real-time speed are just some of the innovations that will be realized through this solution.”

gps tour de francia

Each rider has his own GPS transponder for the Tour

Dimension Data is also offering a Daily Data Wrap analysis package, which you can sign up for here .

Should a rider need to change bikes during a stage, teams are required to notify race officials, as the bikes also have a timing chip on them needed for scorekeeping. In this case, that rider's GPS transponder almost certainly won't be transferred to the space bike as time will be at a premium for the racers. But in between stages when riders change from time trial bikes to their standard race bikes to perhaps an endurance bike for stage four's cobbles, the transponders will go with them.

In related news, GoPro and Tour organizers ASO have partnered this year to deliver GoPro footage from bikes , team cars and more. There will be 12 GoPro Hero4 Black cameras that are used on bikes throughout the race, with each team having at least one rider using one at some point.

gps tour de francia

12 GoPro cameras will be making their rounds on various bikes throughout the race

Last year was the first time ASO allowed videocameras to be used on bikes during the race, and Shimano leapt at the opportunity with its CM-1000 videocamera used on Shimano-sponsored team bikes.

Check out more Tour tech at our Tour de France 2015 homepage .

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Tour de France

Aso to deliver real-time data from tour riders, dimension data and aso will provide live-tracking of the tour de france with real-time rider data based on gps transmitters.

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Dimension Data announced that it will deliver real-time information on Tour de France riders for the first time in the history of professional cycling. In partnership with Tour organizer Amaury Sport Organisation (ASO), the company announced Tuesday that it has completed its big-data analytics and digital delivery platform.

“The technology will allow cycling fans to follow the race in ways they’ve never been able to before,” said Dimension Data executive chairman, Jeremy Ord. “Until now it was difficult to understand what was happening outside of what could be shown on the live television coverage. The ability to follow riders, get accurate information about which riders are in a group, and see real-time speed are just some of the innovations that will be realized through this solution. During the duration of the three-week race, we’ll be rolling out a range of new capabilities, including a beta live-tracking website.”

Working with ASO, in partnership with the 22 teams participating in the 2015 Tour de France, Dimension Data says it will offer highly accurate data through the use of live trackers, mounted under the saddle of each rider. Dimension Data will then process and analyze the data, and make it available to cycling fans, commentators, broadcasters, and the media.

When the Tour de France begins Saturday, the viewing public around the world will be able to follow all 198 riders in 22 teams real-time, and be able to track the speed at which each cyclist is riding, exactly where he’s positioned in the race in relation to other cyclists, and the distance between each rider — all via a beta live-tracking website.

The real-time analytics system will take the data provided by a third-party geo-localization transmission component, undertake data cleansing and analysis, and provide access to this data as both a real-time data stream, and a historical archive.

Ord said Dimension Data carried out testing during the Critérium du Dauphiné race in June. “We analyzed one cyclist cycling at an astounding 104 kilometers per hour. This type of data has not been available in the past.”

All data analyzed will be available through a beta live-tracking website. This allows fans to select their favorite rider to follow, monitor the race on their phone or tablet while they watch it live on the television, and gain access to additional data insights. The 198 riders in 22 teams will generate 42,000 geospatial points and 75 million GPS readings. In addition, the live-tracking website is built to support 17 million viewers and 2,000 page requests per second.

“This top-notch technological development will enable a better analysis of the race, highlight the race tactics, and also show how essential in this sport is each rider’s role within his team,” said Christian Prudhomme, Tour de France director. “It will now be possible to understand how to prepare for a sprint finish in the last few kilometers of a stage, feel the wind’s impact on the rider’s speed, and so much more. Our efforts combined with those of Dimension Data will permanently change the way we follow cycling and the Tour de France.”

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on\u2019: poga\u010dar and pidcock\u2019s tuscan tussle at strade bianche\"}}\u0027>\n \u2018it\u2019s on\u2019: poga\u010dar and pidcock\u2019s tuscan tussle at strade bianche\n \n \n \n \n \n\n \n \n \n \n \n\n \n "},{"title":"how visma eviscerated the opening classics","url":"https:\/\/velo.outsideonline.com\/road\/road-racing\/visma-eviscerate-the-opening-classics-will-the-strategy-translate-at-flanders-and-roubaix\/","markup":" \n \n\n\n \n\n \n \n >\", \"path\": \"https:\/\/velo.outsideonline.com\/road\/road-racing\/visma-eviscerate-the-opening-classics-will-the-strategy-translate-at-flanders-and-roubaix\/\", \"listing_type\": \"recirc\", \"location\": \"list\", \"title\": \"how visma eviscerated the opening classics\"}}\u0027>\n \n \n \n \n \n \n\n \n \n\n \n\n \n \n\n \n \n >\", \"path\": \"https:\/\/velo.outsideonline.com\/road\/road-racing\/visma-eviscerate-the-opening-classics-will-the-strategy-translate-at-flanders-and-roubaix\/\", \"listing_type\": \"recirc\", 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Tour de France 2023: Bike Computers and Power Meters

gps tour de francia

The Tour de France kicked off again today, this time in Bilbao, Spain, with 176 riders and 22 teams. And thus begins the annual tradition to ferret out not just the sports tech gear these teams are sponsored to use, but the gear they’re actually using. And there’s some interesting tidbits this year!

First up, best I can tell this is the first year that SRM is not sponsoring a TdF team. Obviously, as always, sponsorship doesn’t mean much in the grand scheme of things, but in the case of SRM specifically, I think this marks the end of an era. While one unsponsored power meter team did have a handful of SRM units on-hand, they also had a collection of single and dual-sided Stages units.

Meanwhile, on the bike computer front, we see more of the same from last year. There aren’t any major shifts, with the camp split roughly evenly between Garmin and Wahoo sponsorship fronts, along with Hammerhead and Bryton each sponsoring a team. Giant/Stages has left that scene from the one sponsorship last year. Still, it was notable to see how many teams had the just-released Garmin Edge 840 units on-bike. Typically teams don’t tend to put brand new tech on bikes this quickly, but they were today. In fact, I even saw Team Jayco carrying around a Garmin Edge 840 box to the starting area, with less than 30 minutes to the start of the stage. Unclear what the final destination of that was, but, I found it notable.

I’ll be adding the full galleries of everything here this evening, but you can find all the same goodness up above in the video, and of course the details down below. First up, the power meters:

UCI WorldTour Teams: AG2R Citroën Team: Power2Max Alpecin–Deceuninck: Shimano R9200P Arkéa–Samsic: Shimano R9200P Astana Qazaqstan Team: Shimano R9200P Bora–Hansgrohe: Shimano R9200P Cofidis: SRM & Stages EF Education–EasyPost: Power2Max Groupama–FDJ: Shimano R9200P Ineos Grenadiers: Shimano R9200P Intermarché–Circus–Wanty: ROTOR Inspider Lidl–Trek: SRAM Quarq/AXS Movistar Team: SRAM Quarq/AXS Soudal–Quick-Step: Shimano R9200P Team Bahrain Victorious: Shimano R9200P Team DSM–Firmenich: Shimano R9200P Team Jayco–Alula: Shimano R9200P Team Jumbo–Visma: SRAM Quarq/AXS UAE Team Emirates: Shimano R9200P UCI ProTeams: Israel–Premier Tech: FSA PowerBox (P2M) Lotto–Dstny : 4iiii & Shimano R9200P Team TotalEnergies: Shimano R9200P Uno-X Pro Cycling Team: Shimano R9100P

For those trying to keep score at home, here’s how things landed:

Shimano Teams: 14 (10 sponsored + 4 free-styling) SRAM Teams: 3 (All sponsored) Power2Max Teams: 3 (All sponsored, including via FSA) 4iiii Teams: 1 (Sponsored) ROTOR Teams: 1 (Sponsored) SRM Teams: 1 (Unsponsored portion of team) Stages Teams: 1 (Unsponsored portion of team)

Next up, we’ve got the bike computer front, where things are a bit messier. Actually, they’re both cleaner and messier. As a rule, all Wahoo teams can use either the BOLT V2 or ROAM V2, per rider preference. Thus, for all the teams I saw, it was a mishmash of the Wahoo units within the team – perhaps just barely favoring the BOLT V2.

Meanwhile, on the Garmin side, it’s basically the same story. The Garmin sponsored teams have access to whatever units they want, and in most cases that means riders choose what they want. It tended to be a blend of Garmin Edge 1040, Edge 840, and Edge 830. In non-sponsored teams (like Team Bahrain), you saw some flyers, such as the Garmin Edge 130.  Undoubtedly, because bike computers are usually held by the rider till the last minute (inside the team busses), it’s hard to capture all 176 riders within the very short handful of minutes they ride by. Thus, it’s plausible some Garmin-sponsored rider is also doing something quirky too.

In any case, here we are:

UCI WorldTour Teams: AG2R Citroën Team: Wahoo ROAM V2/BOLT V2 Alpecin–Deceuninck: Wahoo ROAM V2/BOLT V2 Arkéa–Samsic: Wahoo ROAM V2/BOLT V2 Astana Qazaqstan Team: Garmin Edge 840/1040 Bora–Hansgrohe: Wahoo ROAM V2/BOLT V2 Cofidis: Wahoo ROAM V2/BOLT V2 EF Education–EasyPost: Wahoo ROAM V2/BOLT V2 Groupama–FDJ: Garmin Edge 830 Ineos Grenadiers: Garmin Edge 840/1040 Intermarché–Circus–Wanty: Bryton GPS Lidl–Trek: Wahoo ROAM V2/BOLT V2 Movistar Team: Garmin Edge 840/1040 Soudal–Quick-Step: Garmin Edge 830 Team Bahrain Victorious: Garmin Variety Box (Edge 130, 1040, 830) Team DSM–Firmenich: Wahoo ROAM V2/BOLT V2 Team Jayco–Alula: Garmin Edge 530/1040 Team Jumbo–Visma : Garmin Edge 830/840 UAE Team Emirates: Wahoo ROAM V2/BOLT V2 UCI ProTeams: Israel–Premier Tech: Hammerhead Karoo 2 Lotto–Dstny: Garmin Edge Series Team TotalEnergies: Garmin Edge 830/840/1040 Uno-X Pro Cycling Team: Garmin Edge Series

And like above, here’s where things landed in the totals department:

Garmin Teams : 11 (9 sponsored + 2 free-styling: UAE/Bahrain) Wahoo Teams: 9 (All sponsored) Hammerhead Teams: 1 (Sponsored) Bryton Teams: 1 (Sponsored)

For the Bryton units, I’ll have to get specific models tomorrow at that start. All the Bryton units had special (colorful) covers on them, making it near impossible to get specific exact models because some of the models are virtually identical without seeing the model number. Generally speaking, finding the right person at the team area that actually knows what bike GPS models are is near impossible. There is *someone* that does know that, but historically speaking, finding that exact someone is a literal needle in a haystack. And usually the riders are inside.

In any case, stay tuned for more digging into sports tech from the start of tomorrow’s stage. Or, check out the video above where I see which GoPros the teams and organizers are putting on riders, as well as plenty of other sports tech (and non-tech) tidbits!

TdF-YT

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29 Comments

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First time for you in the Basque Country?

Make sure you enjoy the land.

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I think so – super pretty area!

Sad to see no Polar… Even Bryton produces bike computers…

Yeah, I suspect the cost structures of Polar vs Bryton are vastly different…

Many ppl using Polar would kill for new cycling computers with navi. Even sigma produces rox with mapping

Polar totally lost that market. So sad. I doubt that we see any new bike computers by Polar.

I use my Vantage V2 as a bike computer (mounted in the handlebar). When I need routing I use a Wahoo Blot (maybe a Roam2 in the future)

I bet the riders with Edge 840s were thrilled to get the Climb Pro fanfare every time they reached the top of a climb!

That’d be amazing to be at the top of a Climb and record the audio.

Even more if they were getting it a couple of minutes after they reached the top, considering the bugs still present in ClimbPro

My understanding of the multi-minute offset though is that’s from Strava Routes (and maybe some Komoot routes), where they’re sending over the elevation wonky.

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Curious that so many teams are rolling with Shimano power meters. Aren’t they notoriously terrible? I’ve seen both you and GPlama tear them apart.

Also, why no pedal power meters?

Yeah – I was wondering this.

Shimano sponsors the team so they use Shimano power meters. I think Ray said during training they may use other power meters. They also probably have a decent idea where the Shimano PMs are deficient and know how to account for it.

Sadly, there’s not much you can do to account for it – mainly because it’s specific to gearing combinations and pedaling style. So, unless you know which gear the rider was in (e.g. which front chainring), it’s incredibly difficult to backwards compute.

Is it likely or possible that shimano teams use a left side PM (eg stages or 4iiii) within the DA crank arm, but without any logos? Then just ignore the notorious shimano one?

Bought a Garmin 840 when it came out, to have one run/bike ecosystem, after owning both iterations of the Wahoo Elemnt Bolt. And as much as I like the unit: Man, it makes a lot of noise! The Climb Pro summit fanfare made me turn off all sound…

Somone please record some sound, when the peloton crosses a summit!

Totally agree on the noise of a Garmin head unit. I have an edge 530 and I turned off the sound years ago, the thing just does not shut up!

dcr, are Israël already riding with a Karoo 3?

They’re riding the Karoo 2.

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Given the inaccurate Shimano power meter, do you think those teams use a different PM for training and just ride with these on the bikes in public races?

Yup, they definitely do. Not all of them, and not all riders. But some of them do indeed.

Hero Session 5 for the win! GoPro missed the mark with the “mini”

Ray do you think that these have been supplied/refurbished by GoPro, found in an old storage locker or have just been looked after to stay alive?

I’ll ask around, but I suspect these are largely the same cameras that are carefully looked after, or occasionally re-sourced. I know the GoPro people still know that crew, but I can’t imagine GoPro has many of those cameras lying around.

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Noticed the same aspect that has already been raised by others: many of them are using the Shimano Power Meters, which are known (here) to be very unreliable.

Are they managing to add some additiona source of PM reading, or are they simply ignoring it (or doing the best that they can with those unreliable units), as far as you know?

Thanks for this post. It must have been exciting to be in the middle of all that! Looking a the photo you have of cav, my first question was “what watch is he wearing?”

Wonder if Wood’s actually used the climb feature on the Karoo 2 to win Stage 9 up the Puy de Dôme? Now that would be a great piece of marketing for Hammerhead.

Interesting to hear Victor Campaernants from Lotto Destiny saying that his power meter doesn’t work because of the heat. I’m wondering if it’s the 4iii or Shimano one…

Do you know what camera they use for on bike footage during the race.? Those mounted at some of the rider’s saddle?

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Polar RC3 GPS Tour de France Bike Heart Rate Monitor and Sports Watch

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Polar Unveils Special Centenary Tour de France edition of the Revolutionary Polar RC3 GPS BIKE Training Computer.

Celebrating the centenary of the world’s greatest cycling race, Polar have unveiled the Official RC3 GPS Tour de France (TdF) BIKE training computer. Matching the iconic Yellow Jersey, the product carries a distinctive yellow band and will be worn by riders in the FDJ, Argos-Shimano and Euskaltel-Euskadi teams, including Nacer Bouhanni, Marcel Kittel and Samuel Sánchez.

The RC3 GPS TdF BIKE edition gives you the chance to ride like a pro with one of the lightest (58g) and slimmest (1.4cm in depth) GPS devices on the market, which now includes new real-time altitude measurement along with Polar’s Smart Coaching features.

Whatever your target - whether you want to simply get fit, enjoy the club ride or train for the next Tour de France – use Polar to listen to your body and help you along the way.

What’s in the box:

  • Polar RC3 GPS TDF training computer
  • Polar H3 heart rate sensor
  • Polar CS cadence sensor W.I.N.D.
  • Universal Bike Mount
  • RC3 GPS Getting Started Guide
  • CS cadence sensor W.I.N.D. User Manual
  • This product is supplied with a set up manual, for more detail please visit www.polar.com

Key Features:

  • Tracks your route, speed and distance using built-in GPS
  • Bike settings for two bikes: You can define settings up to two to three bikes in your training computer. When you start training, you can select the bike with the correct settings for that particular training session.
  • Cadence – current, average and maximum: Your cycling cadence stands for your pedaling rate in revolutions per minute (rpm). Cadence is the central factor in improving cycling performance. A higher cadence reduces the force needed for each pedal stroke, and thus improves overall performance. Running cadence measures how many times your either right or left foot hits the ground in one minute. Running cadence is measured as steps per minute. With this feature you can sharpen your cadence and make your ground contact time shorter. This will help you to find a balance between leg power and leg speed.
  • Integrated GPS features: back to start, distance (training, lap and total), route mapping with polarpersonaltrainer.com web service
  • Shows GPS based altitude during and after training
  • Slim and lightweight design with rechargeable battery, 12h in continuous use with GPS on
  • Helps you to improve performance with endurance training programmes, downloadable for free from polarpersonaltrainer.com
  • Training Benefit gives you instant feedback after your session – Motivating feedback that’s delivered straight to you immediately after exercise is something we can all benefit from. So if you want to know the effect of different training sessions, this feature will tell you exactly what you need to know. You get a quick overview after each session, and for more detailed feedback, you can either check your training file or you can get further in-depth analysis at polarpersonaltrainer.com.
  • Running Index scores your performance – If you’re looking to keep on top of your running performance you’ll find this feature a big help. Regular use over time allows you to see how efficient your running is. Your Running Index score is calculated automatically after every run, based on your heart rate and from the speed data collected from your GPS or stride sensor. A higher reading indicates that you can run faster with less effort.
  • Polar Fitness Test – If you’re looking to improve your fitness and want to keep up to date with how well you’re doing, the smart Fitness Test will tell you exactly what you need to know in just five minutes. By regularly comparing your test results, you can see what progress you are making and how your fitness is improving.
  • Calorie Count – Polar OwnCal is the most accurate calorie counter on the market. It calculates the number of calories expended during a training session based on your weight, height, age, gender, your individual maximum heart rate (HRmax) and how hard you’re training.
  • Training Load – Training Load helps you to find the perfect balance between rest and training. Find out your training load status at polarpersonaltrainer.com. It shows you at a glance your cumulative training load for every day, advising if and when rest days are needed and when it’s best to train harder in order to maintain your performance improvement.
  • Allows you to share your training with your friends on polarpersonaltrainer.com

All Features:

Body Measurement Features

  • Average and maximum heart rate of each lap
  • Average, minimum and maximum heart rate of training
  • Heart rate – bpm / %
  • HRmax (age-based)
  • HRmax (user set)
  • Polar Fitness Test
  • Polar OwnCal® – calorie expenditure with fat percentage
  • Polar OwnCode® (2.4 GHz W.I.N.D.) – coded transmission
  • Polar sport zones
  • Polar ZoneOptimizer - personalized sport zones
  • Polar Training Benefit

Data Transfer

  • Compatible with Mac (Intel-based) via USB cable
  • Compatible with PC via USB cable
  • Compatible with polarpersonaltrainer.com via USB cable

Recording Features

  • Training files (with summaries) – 99
  • Weekly history

Training Features

  • Automatic lap recording
  • Graphical target zone indicator
  • Number of laps – 99
  • Sport Profiles (5 fixed sport profiles)
  • ZonePointer

Watch Features

  • Time of day (12/24h) with alarm and snooze
  • Date and weekday indicator
  • Dual time zone
  • Water resistant – IPX7
  • Low battery indicator
  • Rechargeable battery
  • Display text in English, German, French, Spanish, Portuguese, Italian, Dutch, Danish, Finnish, Norwegian and Swedish

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POLAR RC3 TDF

Awesome watch. Love the fact that my watch converts into a cycling computer when I need it. Very convenient. Data is very indepth too with everything that you need. The only issues I have is there is no option to have the light stay on during a night ride and viewing data fields can not be customized. Overall though it is exactly what I wanted and it looks great too.

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gps tour de francia

Pocket-lint

Polar rc3 gps tour de france edition gives you the yellow jersey, in wearable bike computer form.

Sports fitness specialist Polar has announced a Tour de France edition of its RC3 GPS training computer, and because of its distinctive yellow stripe, you can feel like your leading the pack in the world's most famous road race. Sort of.

The official training device of professional cycling teams FDJ, Argos-Shimano and Euskaltel-Euskadi, the RC3 GPS training watch features an integrated GPS (hence the name) with real-time altitude measurement. It also has a back-to-start feature, leading you back to where you started your training run; route mapping, which allows you to analyse and share your route with others on a dedicated website; personal training programmes that you can download from the site; and a host of data-gathering services, including heart rate monitor, speed, distance and cadence, which you can analyse after a session.

The wearable trainer isn't just intended for cyclists, with Polar suggesting it can help runners and cross-country skiers too.

"Polar has been supporting pro-cyclists in their preparation for the Tour De France for over 20 years. But anyone can benefit from the smart insights our innovative products draw from training data," said Marco Suvilaakso, group product director at the company.

"We’re launching our special edition RC3 GPS Tour De France training computer in celebration of the Tour’s centenary year, allowing everyone with a passion for cycling to unlock better performance."

The Polar RC3 GPS Tour de France training computer comes with a claimed 12-hour battery life and is available now for £199.50. You can find out more at polaruk.co.uk .

gps tour de francia

Étape 21 - 23/07/2023

gps tour de francia

Paris Champs-Élysées

La ville lumière offre le plus prestigieux des écrins à l’arrivée du Tour de France, le circuit final ayant encore gagné en émotion depuis que le peloton est invité à traverser le Louvre… frissons garantis pour tous les géants qui achèvent la Grande Boucle. L’un d’entre eux vit ensuite un moment de félicité absolue : gagner sur les Champs-Élysées, c’est la concrétisation pour les sprinteurs. Mark Cavendish reste le recordman des lieux avec quatre succès, mais la ligne d’arrivée finale a été conquise par sept coureurs différents sur les sept dernières éditions : André Greipel (2016), Dylan Groenewegen (2017), Alexander Kristoff (2018), Caleb Ewan (2019), Sam Bennett (2020), Wout van Aert (2021) et Jasper Philipsen (2022). Ville-arrivée finale traditionnelle du Tour de France 49e arrivée sur les Champs-Élysées Capitale de la France et chef-lieu de la Région Île-de-France Commune-département et Préfecture (75) Habitants : 2 250 000 (Parisiens et Parisiennes)  

gps tour de francia

Saint-Quentin-en-Yvelines

La première visite du Tour de France à Saint-Quentin-en-Yvelines date de 1986, pour un contre-la-montre par équipe qui annonçait déjà une édition à rebondissements. Les coureurs de La Vie Claire, avec Hinault et LeMond, étaient ce jour-là nettement dominés par les Système U de Laurent Fignon. Depuis, l'agglomération est devenue une capitale du cyclisme, puisque le vélodrome inauguré en 2014 est aussi le siège de la Fédération Française de Cyclisme, et accueille régulièrement les rendez-vous planétaires les plus importants chez les pistards. Ce fut le cas en ce mois d’octobre avec les championnats du monde et ce le sera encore à l’occasion des Jeux Olympiques et Paralympiques de Paris 2024. Site-étape pour la 2e fois Communauté d’agglomération de 12 communes dans les Yvelines (78) Habitants : 229 000 dans l’agglomération (Saint-Quentinois et Saint-Quentinoises), 1 450 000 dans les Yvelines  

Planet Mountain Bike

Polar RC3 GPS Tour de Francia, homenaje a los 100 años del Tour de Francia

Polar RC3 GPS tour de francia

Polar ha presentado dos nuevas versiones, una  edición limitada por el Centenario del Tour de Francia y otra versión en un llamativo color naranja , de su conocido pulsometro de pulsera con GPS Polar RC3 GPS , que estarán disponibles a partir de este mismo 4 de Abril.

rc3 gps tdf

Al igual que su versión estándar, esta edición especial cuenta con una gran pantalla configurable de fácil manejo y una muy buena autonomía, con una batería de más de 12 horas de duración con la función GPS activada .

RC3 GPS orange

Caracteristicas Polar RC3 GPS

  • Controla tu ruta, velocidad y distancia con el GPS integrado
  • Muestra la altimetría durante y después del entrenamiento
  • Mejora tu rendimiento con los programas de entrenamiento de resistencia, que puedes descargar gratis desde polarpersonaltrainer.com
  • Training Benefit te da un feedback inmediato de los beneficios de la sesión de entrenamiento realizada
  • Compatible con sensores para running y ciclismo Polar
  • Batería recargable, 12 h de uso continuo con el GPS activado
  • Running Index puntúa tu rendimiento.
  • Smart Calories: Indica exactamente cuántas calorías has quemado.
  • Training Benefit: Feedback motivador inmediatamente después del ejercicio.
  • Training Load: Ayuda a encontrar el equilibrio perfecto entre descanso y entrenamiento.
  • Zone Optimizer: Garantiza que siempre entrenes a la intensidad adecuada.
  • Running Index: Ilustra cómo está evolucionando tu rendimiento en carrera.

Contenido de la caja según versiones

Polar RC3 GPS Tour de France HR

  • Pulsómetro de entrenamiento RC3 GPS TdF
  • H3 HR Sensor

Polar RC3 GPS Tour de France BIKE

bicicletas-en-stock

  • Sensor de cadencia W.I.N.D.
  • Soporte universal para manillar

Polar RC3 GPS BIKE

  • Polar RC3 GPS
  • H3 HR sensor

Polar RC3 GPS HR

Más información |   polariberica.es/RC3_GPS_Tour_de_France

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PEZ Test: Polar RC3 GPS Tour de France Edition

The guys at Polar have long been market leaders in heart rate monitoring but before this test I hadn’t actually used one of their products in more than 10 years – when my racing career fizzled out, monitoring my heartrate was one thing that didn’t appeal to me anymore. But when Polar launched a new RC3 GPS Tour de France Edition at the famous Mt Ventoux, my interest quickly reignited.

One good thing about a flashy media launch besides the free food? The guys that actually designed and made the product were there to explain its features. The reason for Polar’s extravagant launch was their new limited edition RC3 GPS Tour de France unit – a heart rate monitor, GPS, watch, altimeter and even a coach all in one. Yes, it has A LOT of functions. In fact for a ‘typical guy’ (as my wife calls me) who just likes to get things out of the box and use them straight away, this unit made me do something I don’t do enough of – read the instructions.

The RC3 GPS comes with a comprehensive ‘Getting Started Guide’ – use it.

Not because it wasn’t easy to use though, it just has so many functions that I realized I wasn’t getting the best out of it with my basic out of the box and use it style. And that’s what the RCS GPS is all about in fact, ‘Getting the best’ out of yourself with its heart rate monitoring, intelligent training benefit feedback and more.

So how did they get the best out of 30 journalists, some of whom were much fitter than others? They strapped an RC3 on to each of us and sent us straight up the Ventoux on some borrowed LOOK bikes. It was certainly a great way to get our heartrates up and to test their product I guess, but it’s only now after a full 2 month test that I can really get down to the nitty gritty of this device and its best uses.

What You Get The Polar RC3 GPS Tour de France cycling edition offers a big range of features that can track your current speed, average speed, maximum speed, cadence, altitude, current time with GPS built in with back to start, distance (training, lap and total), route mapping with PolarPersonalTrainer.com web service all in a watch with a slim and lightweight design. There’s a rechargeable battery via USB cable (12 hours continuous GPS use), a comfortable chest strap, cadence sensor, universal handlebar mount and much more and I haven’t even got to the most important feature yet – its heart rate monitoring and all the analysis, zone indicators, personal training and advice that goes with it and I’m already approaching my word limit – yes, this unit really does have a lot of features.

Startpoint Let’s look at how to get the best out of the RC3 first though, and that’s to perform a VO2 Max test with it to set your baseline fitness. Now when I think of VO2 Max tests I think immediately of painful experiences in labs hooked up to an ergo bike and machines so I was pleasantly surprised to hear that you can perform a V02 Max test with the RC3 just by sitting down or lying down somewhere and following a few basic steps;

1) Plug in your personal information, age, height, weight, gender etc to the unit 2) Put the heart rate strap on and lie down somewhere calm. 3) Start the test, relax and your VO2 Max will be known in less than 5 minutes!

All I needed for my VO2 Max test, the chest strap, the watch unit and a bed.

I was a bit doubtful about how accurate this test that results in your ‘OwnIndex’ score would be, but upon completion of my test I was surprised that yes, it was very close to my own estimated V02 Max. In fact talking to a few of the other journos and the Polar technical team at the launch it seems to be pretty widely accepted that the OwnIndex score is accurate to about +/- of 8% of your actual V02 if tested in a lab. The obvious benefits of doing the test with the Polar is the no-lab needed, no other expenses (once you’ve bought the Polar of course), it’s super quick and easy and my favorite benefit – no messy throwing up after giving your all on the stationary bike.

My naturally skeptic self though was still very active and later that day after my first test I performed the test again just to see what it would give. Exactly the same result. Ok, I then tried it again the very next morning with once again the same result. Now this led to the obvious conclusions of my RC3 being a) consistent, b) broken or c) my V02 max had not suddenly improved overnight after getting the RC3.

Well it looks like it was options a & c because I borrowed a colleague’s unit later that day and performed the test just for my own curiosity’s sake and I once again got the same result – I still didn’t have a good score!

How to Improve Ok, so I didn’t have a good score but I did seem to now have a tool strapped to my wrist that could at least monitor my low levels. The idea of having a heart rate monitor though for me and I imagine that most people who spend their hard earned money on one is not just about monitoring but more about improving their fitness. This is where www.polarpersonaltrainer.com comes in. This is Polar’s online tool where you upload your training data from your Polar unit and it can then track your progress, tell you what benefit each particular training session has been and even plan out a training program for you. Basically it’s a well educated coach that uses your actual data and listens to your body to help you improve.

After two months of using the RC3 I’ve managed to log some good kilometers on it and have even competed in a number of races that have seen my heartrate figures go off the charts, and others where I thought ‘Gee I felt pretty good today’ to then confirm it by analyzing my data post race.

Above is an example of what you see on PolarPersonalTrainer.com when you’ve uploaded your training files. This one is from a recent time trial I did in a stage race, and thanks to the GPS functions of the RC3 you can track exactly where you went on the map, and with the heartrate functions you can track your physical perfomance. The red line is my heartrate and the grey line is my speed. I started recording exactly 30 seconds before the time trial started and as you can see once it started I immediately accelerated up to my Zone 5 which is rated at 90- 100% of my maximum heartrate and I basically stayed there the whole time trial hitting my maximum heartrate perfectly in the last kilometer before then stopping the unit 30 seconds after the finish when I began to get my breath back.

A closer look at my tt performance.

For me, this ability to analyze the data after your effort is one of the most interesting features for the RC3 as it’s through this analysis where you can improve. Initially after the time trial I was a little disappointed with my effort (I lost the leader’s jersey) but upon analyzing the data I saw that I actually rode a near perfect time trial, immediately getting into my zone, holding it throughout the course of the race and even accelerating to my maximum effort for the final kilometer.

Yep, I was in the red zone pretty much the whole ride.

The post ride analysis is of course just one aspect of the unit and interestingly for me on this particular day you don’t actually need a computer to look at your data – it is all available to look at on the watch itself. Sure you don’t get the sexy graphs with the colors and various graphics like you do on Polar’s website but all the data is there and I was able to check it all out, roadside whilst waiting for the afternoon’s stage to start. Speaking of which, let’s have a look at one of the graphs from that ride:

This was a very hot and hilly stage where I started the stage in 2nd on GC, 16s behind the leader and with only one teammate left in the race versus the 4 that the leader had who were all very strong and in the top 10 on GC themselves. I had to try something, something pretty unexpected if I was going to get the win. At the 40minute mark you can see a spike in my heartrate and this is where I played my hand, breaking away with one other with almost 50km remaining. We worked well together for all of 5km before my breakaway mate stopped riding and then dropped off, exhausted leaving me out front, more than 30s clear of the bunch but with 45km remaining. This is where I was faced with a dilemma, sit up – or continue and hope somebody bridges up to me?

I chose the continue option and this is where the Polar came into play. From my experiences with the unit over the last 2 months I knew that if I kept my heartrate at 165bpm I could sustain that effort for a long period of time. For some people, 165 is low, for others 165 is too high but for me it’s my personal nirvana of pain threshold. It hurts, it hurts so much – but I know I can do it and I’m hurting others at this heartrate so it hurts so good!

A closer look at the graph from the final road stage.

In a very SKY-like, Wiggo-esque style I kept a close eye on the RC3 throughout my suicidal move and the couple of times that I did start going too hard, I backed it off to my magical figure and continued on. This is not something I’d ever done in a race before, nor had I even looked at the unit in that morning’s time trial, but here in a lone break with nothing but my thoughts, the hills and the heat to distract me, the Polar came into its own.

I’d love to see John Degenkolb’s figures after this stage win from the Giro this year.

So I didn’t get the few thousand Euro and thousand of Italians swamping me after the race that I eventually won like John Degenkolb did but I did get 100 Euros and a couple of dozen Frenchies… We were wearing the same watch though and interestingly this watch has actually improved my performance on the bike. It hasn’t increased my VO2Max score in just 2 months though (still embarassingly low) but it has improved my ability to ‘listen to my body’ (one of Polar’s catch phrases and much better than ‘listen to your wife’ which seems to be the motto at my house). The fact that I now actively monitor my performance through the Polar website and regularly make use of the data highlighted by the race example above has actually improved my performance. For me that’s what this unit is all about.

My standard view of the Polar RC3. The unit does come with a universal bike mount that can fit any type of handlebars but I prefer to leave it on my wrist. Summary The POLAR RC3 GPS Tour de France edition has a lot of features, only some of which I’ve been able to cover here. It’s one of those units where you keep discovering things each time you use it for the first month (even if you’ve read the instructions). The essential features are of course its heart rate monitoring, the GPS tracking of your route, speed & distance but for me personally it was the training feedback and monitoring of my training that was the best feature. At a price of US$369.95 it’s not cheap but in terms of quality, design, construction and features it’s good value.

Another feature that I like is the magnetic flap that closes the entrance to the USB cable. It snaps closed when you take the cable out and gives a good seal to it preventing, sweat, sunscreen and the like from entering.

For those of you addicted to certain tracking websites like Strava you can use the RC3 with these simply by exporting the files from PolarPersonalTrainer.com in GPX form and then uploading them. The heart rate data isn’t transferred but all the GPS data with your speed, distance and possible KOM’s etc is.

Overall the RC3 GPS Tour de France is a unit that seemingly monitors everything – except power – in a well constructed and comfortable package and is certainly worth a look for those who are serious about performance. Whether you’re simply tracking your fitness and performance on a basic 20 mile ride or monitoring performances of the very highest levels like the guys at Argos-Shimano, FDJ and Euskaltel who all use Polar, the RC3 monitors it all and can help anyone improve. After more than 25 years racing roadbikes and in the middle of somewhat of a comeback at a veteran age I didn’t think the Polar could really help me with my training, but I was wrong and this is one product that I will continue to use after the test is finished.

For more on the RC3 GPS you can check out Polar’s website

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Reading GPS Data: Tour de France

jdai20/Project_4

Folders and files, repository files navigation.

Introduction: Tour de France

In this final project (great work this semester!), you will be reading in data recorded on a GPS receiver attached to the bicycles of Tour de France (TDF) racers. The Tour de France is the most prestigious bike race in the world, where about 180 elite athletes race close to 3,500 km over 23 days in July. The Tour is composed of individual Stages on each day, sometimes requiring the cyclist to race for close to 6 hours to ride over 200 km up and down some of the highest alpine passes in Europe, only to wake up the next morning and do it all over again. The average overall speed for the tour is close to 40 km/h (i.e. about 25 mph), which is incredibly fast, especially for the terrain the riders are tackling.

Note: the Tour de France does not currently have a counterpart for athletes who identify as female, and it was difficult to find GPS data for women's bike races. However, I encourage you to read about Kristin Armstrong, a three-time olympic gold medalist in the time trial cycling event. You may also be interested in this article, which discusses the struggles of developing a top-flight European stage-race for women.

The datasets provided to you for this project are as follows [a summary for each of the rides can be found by clicking on the links and creating a free account on Strava (not a sponsor).]:

Stage 12 of the 2017 Tour de France for Romain Bardet Stage 12 of the 2018 Tour de France for Robert Gesink Stage 17 of the 2018 Tour de France for Thomas DeGendt Stage 19 of the 2018 Tour de France for Romain Bardet

Programming Tasks Level 0 (50 pts - all test case details visible)

Setup the following formatted input prompt and output print statements. These print statements will be further developed and more output statements will be added in higher level tasks. For now, this should give a nice initial structure to main(). Enter the filename: Rider: Race: Time Interval is Total GPS Datapoints: Level 1 (25 pts - all test case details visible)

Prompt the user to enter a filename and open that file for reading. If a file with the user-inputted filename cannot be found or there was a problem opening the file, print the message "Could not open file." and terminate the program immediately. If the file is opened properly, then read in the data stored in the file, making sure to continually check for the end-of-file, at which point the program should stop trying to read-in data from the file. There are 4 files used in the test cases, which are all provided to you for download, by simply clicking on the Download button just above the coding box below. All have a filename similar to TDF18_Stage12.txt, where the two 2-digit numbers representing the year and stage number vary for the different data sets. It is recommended that you download at least one of the files, open it up, and take a look at the content. The files contain a header with key information before the position data. All files have the following format: The rider's name (first and last) on the first two lines The race and stage name on the next two lines The fifth line contains an integer representing the time interval for the data in the file (i.e. the main data of the file is actually the average position recordings over constant time segments given by this value). The sixth line contains the titles long, lat, and elev for the data stored in the remainder of the file The remainder of the file consists of many lines, each having three floating-point numbers, representing the longitude, latitude, and elevation data for the rider throughout the race, each separated in time by the time interval found in the header of the data file. As the data is read in, keep track of the total number of GPS position data points in the file. Then, use the count of the total number of GPS position data points in the file together with the time interval to calculate the total length of time for the bike race. Note: you should not store the data read-in from the file in arrays. Instead, the counting done here and the calculations that follow should be completed by updating the quantities of interest as each data point is read in. Print to screen the rider's name, the race & stage name, the time interval, the total number of GPS data points, and the total time in seconds for the bike race, in the following format (this sample output is the result when the user inputs TDF18_Stage12.txt): Rider: Robert Gesink Race: TDF2018 Stage12 Time Interval is 15 seconds

Total GPS Datapoints: 1371 Total Time: 20565 s Level 2 (17 pts - all test case details visible, except for some unit testing of the user-defined functions)

Find and print the maximum elevation for the rider during the race (see sample output below for required format). Again, do not use arrays to store the data and analyze later. Instead, update quantities on-the-fly as the data is read-in. Calculate and print the total elevation gain for the rider during the race (see sample output below for required format). The elevation gain is the accumulated quantity of only the positive changes in elevation from one data point to the next. That is, if the rider goes up 10 m between data points, then the elevation gain increases by 10. But, if the rider goes down by 10 m, there is no change to the elevation gain. Again, do not use arrays to store the data and analyze later. Instead, update quantities on-the-fly as the data is read-in. Write the function LatLongsToDist() that takes in two pairs of (latitude, longitude) coordinates and returns the great-circle-distance between the points on the surface of the Earth, which is calculated using the formula: d = R acos[ cos(latA)cos(latB)cos(lonB-lonA) + sin(latA)sin(latB) ] where (latA,lonA) and (latB,lonB) are the RADIAN coordinates for the two points, R is the radius of the EARTH (provided in the template as a global variable), d is the distance between the points, and acos() is the inverse cosine function. Note that the (latitude, longitude) coordinates stored in the data files are in DEGREES, so you will need to convert from DEGREES to RADIANS in order to use the formula. Write the void function, getFormattedTime(), which converts a time given in only seconds to the associated number of hours, minutes, and remaining seconds (see sample output below for an example). Note: you have not been provided with the required function prototype, so careful attention must be given to the following instructions to ensure you have the correct format for the function. The function does not return any quantity directly. Instead, the function must have four parameters, in the following order: an integer representing the input total number of seconds a pointer to an integer representing the output number of hours a pointer to an integer representing the output number of minutes a pointer to an integer representing the output number of seconds Note: the bigger the time interval for the GPS data, the larger the underestimation of the total distance and elevation gain statistics compared to the actual true values.

Level 3 (8 pts - limited test case details visible)

While the data is read-in, keep track of the total distance biked during the race by repeatedly calling LatLongsToDist(). Once all data has been read in, print out the total distance biked (see sample output below for required format). Using a call to your getFormattedTime() function, convert the total number of seconds for the race to the proper format in hours, minutes, and seconds (see sample output below for required format, where hours, minutes, and seconds each use two spaces padded with zeros if necessary). The following sample output for all Task Levels is the result when the user inputs TDF18_Stage12.txt: Enter the filename:

Rider: Robert Gesink Race: TDF2018 Stage12 Time Interval is 15 seconds

Total GPS Datapoints: 1371 Total Time: 20565 s Max Elevation: 2199.8 m Elevation Gained: 5345.4 m Distance Biked: 170.8 km Formatted Total Time: 05:42.45 Level 3+ (up to 10 pts extra credit - 5 pts for autograded test case, 5 pts for document submitted to Blackboard)

Have your program open a separate file for writing with a filename that is identical to the user-input filename (for the GPS data .txt file) with _DistElev appended to the back. For example, if the user inputs TDF18_Stage12.txt, then the new file should have the filename TDF18_Stage12_DistElev.txt. As another example, if the user inputs Apple.txt, then the new file should have the filename Apple_DistElev.txt. This must be programmed generally, for any filename entered by the user. Write to the new file the distance and elevation data for all GPS data points, in two columns separated by a comma. Each distance value should be the total distance traveled up to that point from the start of the bike race. Format the data written to the file with 2 decimal places for distance and 1 decimal place for elevation. Here are a few lines from the output file, TDF18_Stage12_DistElev.txt, for Robert Gesink's TDF2018 Stage12 race (this is test case #47):

25.40, 569.4 25.63, 566.2 25.83, 565.2 26.01, 561.8 26.22, 558.6 26.44, 556.2

You will need to run your code outside of zyBooks to have access to the files that are written. Once you have done so, import the TDF17_Stage12_DistElev.txt file into Excel (using a comma as a delimiter) and create a scatter/line plot of Elevation vs. Distance for Stage 12 of the 2017 Tour de France. Search the web for a comparable official elevation plot for this Stage. Put your plot and the official plot in a single .pdf document and submit it to Blackboard. Repeat the entire process for Stage 12 of the 2018 Tour de France. Your submission should therefore include two of your plots, and two official elevation figures for comparison. LAB

IMAGES

  1. POLAR RC3 GPS TOUR DE FRANCE

    gps tour de francia

  2. Recorrido del Tour de Francia 2016

    gps tour de francia

  3. Las 21 etapas del recorrido del Tour de Francia 2015

    gps tour de francia

  4. TOUR DE FRANCIA: TOUR DE FRANCIA Consulta todos los detalles del Tour

    gps tour de francia

  5. Tour de France : GPS&O voit la vie en jaune !

    gps tour de francia

  6. Тур де Франс-2022

    gps tour de francia

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COMMENTS

  1. Tour de France

    The Tour's first visit to Saint-Quentin-en-Yvelines dates back to 1986 for a team time trial in a race that was already shaping up to be eventful. The La Vie Claire team that featured Hinault and LeMond were clearly dominated that day by Laurent Fignon's Système U. Since then, the city has become a cycling capital thanks to the velodrome ...

  2. Tour de France 2023: GPX

    Tour de France 2023: GPX. De 2023 edition of the Tour de France featured eight high mountain stages, six races in the medium mountains, six flat stages, and one ITT.

  3. Tour de France

    Stage 3 - 07/03/2023. Flat - Amorebieta-Etxano > Bayonne - 193.5 km. Live tracking of the race, classifications, riders and positions.

  4. Power meters and computers at the Tour de France: Who's using what?

    A roundup of the Tour de France teams' choice of power meters and cycling computers. "Professional cycling has become a game of numbers, with riders paying such close attention to their power ...

  5. Official route of Tour de France 2024

    4. Apennines (Italy), the Italian and French Alps, Massif Central and Pyrenees will be the mountain ranges on the 2024 Tour route.. 4. The number of countries visited in 2024: Italy, San Marino, Monaco and France. Within France, the race will pass through 7 Regions and 30 departments.

  6. Tour de France 2022: GPX

    Tour de France 2022: GPX. De 2022 edition of the Tour de France features six high mountain stages, six races in the medium mountains, seven flat stages - including one on cobbles -, and two ITTs.

  7. Tour de France 2021: Here's the technology making this year ...

    'Digital twin' of Tour de France route gives fans more data when they need it ... NTT is able to provide real-time data on speed and GPS location of each rider in the race every 400 milliseconds.

  8. Big data comes to the Tour de France

    Live GPS tracking and analysis for all riders, plus GoPro cameras on certain bikes

  9. ASO to deliver real-time data from Tour riders

    When the Tour de France begins Saturday, the viewing public around the world will be able to follow all 198 riders in 22 teams real-time, and be able to track the speed at which each cyclist is riding, exactly where he's positioned in the race in relation to other cyclists, and the distance between each rider — all via a beta live-tracking ...

  10. Polar RC3 GPS Tour De France edition review

    Just like Le Tour winner's yellow jersey, the limited Tour De France edition of the Polar RC3 GPS sports watch comes dressed in a similar bright yellow finish. The RC3 was the first built-in GPS ...

  11. Web oficial

    Tour de France 2024 - Web oficial de la célebre carrera del Tour de Francia. Incluye los recorridos, corredores, equipos y cobertura de ediciones pasadas del Tour. Club Recorrido 2024 Equipos 2024 Edición 2023 CLASIFICACIONES GANADORES DE ETAPA Todos los videos. Grands départs ...

  12. Polar Introduces Limited Edition RC3 GPS Tour de France and Adds

    The RC3 GPS Tour de France with integrated GPS, providing speed and distance data, as well as real-time altitude measurement, is ideal for cyclists and other endurance athletes. Other notable ...

  13. Tour de France 2023: Bike Computers and Power Meters

    The Tour de France kicked off again today, this time in Bilbao, Spain, with 176 riders and 22 teams. And thus begins the annual tradition to ferret out not just the sports tech gear these teams are sponsored to use, ... Bryton GPS Lidl-Trek: Wahoo ROAM V2/BOLT V2 Movistar Team: Garmin Edge 840/1040 Soudal-Quick-Step: Garmin Edge 830 Team ...

  14. Tour de France 2023: Which On-Bike Tech Are They Actually Using

    Here's your Tour de France 2023 Stage 1 Bike Tech, looking at bike GPS computers, power meters, action cams, and plenty more! Dive into the details from the ...

  15. Tour de France

    The capital of the French Basque Country had the characteristics required to attract the organisers of the first Tours de France, who wanted to stick to the very limits of the country and included it on the race programme from 1906 right through to 1927. During that period, Lucien Petit-Breton, Octave Lapize, Firmin Lambot, Ottavio Bottecchia ...

  16. 2024 Tour de France

    The 2024 Tour de France will be the 111th edition of the Tour de France.It will start in Florence, Italy on 29 June, and will finish in Nice, France on the 21 July.The race will not finish in (or near) Paris for the first time since its inception, owing to preparations for the Paris 2024 Olympic and Paralympic Games.

  17. Polar RC3 GPS Tour de France Bike Heart Rate Monitor and Sports Watch

    Celebrating the centenary of the world's greatest cycling race, Polar have unveiled the Official RC3 GPS Tour de France (TdF) BIKE training computer. Matching the iconic Yellow Jersey, the product carries a distinctive yellow band and will be worn by riders in the FDJ, Argos-Shimano and Euskaltel-Euskadi teams, including Nacer Bouhanni ...

  18. Google Maps

    Find local businesses, view maps and get driving directions in Google Maps.

  19. Polar RC3 GPS Tour de France edition gives you the yellow jersey, in

    The Polar RC3 GPS Tour de France training computer comes with a claimed 12-hour battery life and is available now for £199.50. You can find out more at polaruk.co.uk.

  20. Tour de France

    La première visite du Tour de France à Saint-Quentin-en-Yvelines date de 1986, pour un contre-la-montre par équipe qui annonçait déjà une édition à rebondissements. Les coureurs de La Vie Claire, avec Hinault et LeMond, étaient ce jour-là nettement dominés par les Système U de Laurent Fignon. Depuis, l'agglomération est devenue une ...

  21. Polar RC3 GPS Tour de Francia

    La versión RC3 GPS TDF será el producto oficial del Tour de Francia, que cumple su centenario en 2013, rindiendo homenaje a la ronda francesa con su combinación de colores en amarillo y negro. Este modelo incorpora entre sus características: GPS integrado, grabación de los entrenamientos realizados y función de altimetría en tiempo real.

  22. PEZ Test: Polar RC3 GPS Tour de France Edition

    The Polar RC3 GPS Tour de France cycling edition offers a big range of features that can track your current speed, average speed, maximum speed, cadence, altitude, current time with GPS built in with back to start, distance (training, lap and total), route mapping with PolarPersonalTrainer.com web service all in a watch with a slim and ...

  23. GitHub

    Reading GPS Data: Tour de France. Introduction: Tour de France. In this final project (great work this semester!), you will be reading in data recorded on a GPS receiver attached to the bicycles of Tour de France (TDF) racers. The Tour de France is the most prestigious bike race in the world, where about 180 elite athletes race close to 3,500 ...