UTMB takes place on Fri, Aug 28, 2026 in Chamonix, France. The main route is 174 km.
- Date
- Fri, Aug 28, 2026
- Start
- Chamonix 🇫🇷
- Distance
- 174 km
- Climbing
- 9,900 m
The UTMB is an iconic, highly prestigious ultra-trail running race covering approximately 174 kilometers and 9,900 meters of elevation gain around the Mont-Blanc massif through France, Italy, and Switzerland.
Official event pageSimilar races
Organising this race?