2017 Tour de France Stage Analysis

2017 Tour de France stage power and drag analysis — Best Bike Split

Last year we did an in depth analysis before each stage of the Tour de France. This year we will continue to model all of the stages, but we will focus our deeper analysis on some of the key stages using our latest iteration of the Time Analysis tool with zoomable metrics updates.

For this year's Tour we will focus on the two individual Time Trials. The first TT kicks off the tour in Germany with a short flat race suited for the specialists, while the second takes place on the penultimate day and features a steep section to test the riders going for the GC. There are also 5 mountain stages that we will cover in detail and will look for other key stages to analyze as the Tour progresses.

Over the last year we have continued to improve our Time Analysis tool with a focus on road racing tactics. You can now zoom into specific sections of the course and see how varying Power, Drag, Weight and/or Rolling Resistance will effect these sections. This makes it much easier to analyze the specific watts/kg needed on hill climbs or the pulling power needed for the peloton to chase down a lead group over a specific distance. We have also added a relative wind direction gauge to show viewers the wind direction relative to the rider over the course. Used in conjunction with the TA tool and Time Delta metric teams can look for ideal places on the course to launch an attack, expect an attack or start to reel in breakaways.

Stage Analysis

For each key stage we will include a stage overview, weather forecast and analysis as well as interactive charts showing power, speed, elevation, weather and course map. You will also have access to our powerful Time Analysis tool which will allow you to adjust power, drag, weight and/or rolling resistance giving you the ability to see the same time deltas that we see in our analysis. Check back for individual stage analysis to be posted here the day before each stage start.

Stage	Type	Date	Avg. Watts	Avg. Speed	Time
Stage 1 (Düsseldorf to Düsseldorf)	Individual Time Trial	07/01/2017	440 w	51 km/h	00:16:21
Stage 2 (Düsseldorf to Liège)	Flat	07/02/2017	345 w	41 km/h	04:53:08
Stage 3 (Verviers to Longwy)	Hilly	07/03/2017	354 w	42 km/h	05:06:35
Stage 4 (Mondorf-les-Bains to Vittel)	Flat	07/04/2017	343 w	43 km/h	04:46:41
Stage 5 (Vittel to La planche des belles filles)	Hilly	07/05/2017	354 w	41 km/h	03:52:55
Stage 6 (Vesoul to Troyes)	Flat	07/06/2017	331 w	43 km/h	04:58:22
Stage 7 (Troyes to Nuits-Saint-Georges)	Flat	07/07/2017	343 w	43 km/h	04:54:23
Stage 8 (Dole to Station des rousses)	Hilly	07/08/2017	344 w	39 km/h	04:46:29
Stage 9 (Nantua to Chambéry)	Mountain	07/09/2017	341 w	36 km/h	04:59:31
Stage 10 (Périgueux to Bergerac)	Flat	07/11/2017	349 w	43 km/h	04:05:45
Stage 11 (Eymet to Pau)	Flat	07/12/2017	355 w	44 km/h	04:37:36
Stage 12 (Pau to Peyragudes)	Mountain	07/13/2017	342 w	37 km/h	05:47:43
Stage 13 (Saint-Girons to Foix)	Mountain	07/14/2017	336 w	37 km/h	02:43:27
Stage 14 (Blagnac to Rodez)	Hilly	07/15/2017	350 w	42 km/h	04:16:14
Stage 15 (Laissac-Sévérac l'Église to Le Puy-en-Velay)	Hilly	07/16/2017	339 w	40 km/h	04:46:44
Stage 16 (Le Puy-en-Velay to Romans-sur-Isère)	Flat	07/18/2017	345 w	44 km/h	03:45:49
Stage 17 (La Mure to Serre-Chevalier)	Mountain	07/19/2017	338 w	36 km/h	05:05:24
Stage 18 (Briançon to Izoard)	Mountain	07/20/2017	339 w	37 km/h	04:46:01
Stage 19 (Embrun to Salon-de-Provence)	Flat	07/21/2017	347 w	42 km/h	05:15:36
Stage 20 (Marseille to Marseille)	Individual Time Trial	07/22/2017	411 w	48 km/h	00:27:49
Stage 21 (Montgeron to Paris Champs-Élysées)	Flat	07/23/2017	342 w	43 km/h	02:20:08

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