Ballon d'Alsace
8.9 km at 6.9%, summit at 1,173 m. Cat 1.
- Length
- 8.9 km
- Average gradient
- 6.9%
- Height gained
- 614 m
- Summit
- 1,173 m
- Steepest km
- 8.7% measured on the route
- Category
- Cat 1
The climb
Ballon d'Alsace climbs 8.9 km at an average of 6.9%, gaining 614 m to a summit at 1,173 m. It is an unusually even climb — the per-kilometre gradients cluster tightly around the average, so what the number says is what the road does.
The hardest kilometre measures 8.1% and comes in the opening third of the climb, and 1 kilometre of the ascent averages more than 8%.
It appears on 2 stages in ProPace's data, all in 2026; each one is listed below and can be ridden in the app.
Stages that climbed it
| Stage | Date | Summit at | Category |
|---|---|---|---|
| Tour de France 2026, stage 13: Dole → Belfort | 17 July 2026 | km 174.9 | not listed |
| Tour de France 2026, stage 14: Mulhouse → Le Markstein | 18 July 2026 | km 94.8 | Cat 1 |
Stages since 2024 whose route climbed to this summit, matched on ProPace's route data. Category as listed for that stage where the roadbook data is in the app.
In ProPace you ride the whole stage, this climb included, against a pro reference in the real wind from the day. How the simulation works is set out in How much slower than a pro are you?