Tour de France 2026, Stage 20: Le Bourg d'Oisans → Alpe d'Huez
Mountain, 25 July 2026. 170.9 km with 5,624 m of climbing.
- Distance
- 170.9 km
- Climbing
- 5,624 m
- Highest point
- 2,642 m Col du Galibier
- Steepest km
- 12.9% at km 145
- Start
- Le Bourg d'Oisans 712 m
- Finish
- Alpe d'Huez 1,840 m
Climbs
| # | Climb | Category | Summit at | Length | Average | Summit |
|---|---|---|---|---|---|---|
| 1 | Col de la Croix de Fer | HC | km 34.0 | 24.0 km | 5.2% | 2,067 m |
| 2 | Col du Télégraphe | Cat 1 | km 89.7 | 11.9 km | 7.1% | 1,566 m |
| 3 | Col du Galibier | HC | km 111.3 | 17.7 km | 6.9% | 2,642 m |
| 4 | Col de Sarenne | HC | km 157.4 | 12.8 km | 7.3% | 1,999 m |
Length and average gradient from the official roadbook; summit distance measured on the route.
The wind on the day
Averaged along the route between 12:30 and 17:15 local time: 8 km/h from the south-west, gusting to 39 km/h on average. Rain recorded along most of the route.
- Average wind
- 8 km/h
- Direction
- South-west 243°
- Average gust
- 39 km/h
- Temperature
- 23°C 14 to 30°C
Historical weather for 25 July 2026, sampled at 42 points along the route and pre-computed before the app shipped. It is not a live forecast and the app makes no weather calls. Weather data by Open-Meteo.com (CC BY 4.0).
Riding it
A mountain stage: 170.9 km, 5,624 m of climbing, 69.7 km of the route above 3% and 25.5 km above 8%.
The high point is 2,642 m at km 111 (Col du Galibier). The steepest kilometre on the profile averages 12.9%, at km 145. It finishes uphill, the final 3 km averaging 5.8%.
The 4 categorised climbs listed above are placed on the profile by their summit distance on the route, with the length and average gradient from the official roadbook.
In ProPace the stage runs with this wind along the route, resolved into headwind, tailwind and crosswind at each point, and the app puts your own numbers on it against the pro reference. The reference profile and how the simulation works are set out in How much slower than a pro are you?