11ème Orsières-Champex-Chamonix (OCC)
11ème Orsières-Champex-Chamonix (OCC) is a 57 km ultramarathon in Orsieres, Switzerland, taking place on Aug 27, 2026.
- Date
- Aug 27, 2026
- Distance
- 57 km
- Elevation gain
- 3525 m
- Location
- Orsieres, Switzerland
- Format
- Fixed distance