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Col du Galibier
From Valloire. Length and gradient from an official source; times from the climb time calculator.
- Start
- Valloire
- 1,403 m
- Length
- 18.2 km
- Average gradient
- 7%
- Max gradient
- 9.5%
- Elevation gain
- 1,239 m
- Summit
- 2,642 m
Source: Route des Grandes Alpes, checked 14 October 2026.
Time at your watts
| W/kg | Power | Time | Speed | VAM |
|---|---|---|---|---|
| 2.0 | 140 W | 2:06:30 | 8.6 km/h | 603 m/h |
| 2.5 | 175 W | 1:42:10 | 10.7 km/h | 746 m/h |
| 3.0 | 210 W | 1:26:04 | 12.7 km/h | 886 m/h |
| 3.5 | 245 W | 1:14:41 | 14.6 km/h | 1,021 m/h |
| 4.0 | 280 W | 1:06:13 | 16.5 km/h | 1,152 m/h |
| 5.0 | 350 W | 54:31 | 20.0 km/h | 1,399 m/h |
| 6.0 | 420 W | 46:51 | 23.3 km/h | 1,628 m/h |
Model estimate in calm air at steady power (Martin et al. 1998). 70 kg rider + 8 kg bike, tops position (CdA 0.358), Crr 0.0032, 15 °C, air density at the climb's mid-elevation. Mid-elevation 2,022 m (air density 0.960 kg/m³). Calculate yours / All climbs
Climb time calculator (prefilled) / All famous climbs