UTMB - Ultra-Trail du Mont-Blanc
About This Race
The most prestigious ultra-trail race in the world. A complete tour around Mont-Blanc crossing three countries with breathtaking alpine scenery.
The Course
Epic circumnavigation of Mont-Blanc through France, Italy, and Switzerland with technical alpine terrain
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Race Details
Terrain
Trail
Elevation
Mountain
10000m (171K) gain
Participants
10,000 participants
Distances
171K UTMB, 101K CCC, 56K OCC, 145K TDS, 40K MCC, 15K YCC
What to Expect
An extraordinary alpine adventure requiring qualification via UTMB Index. Night running, variable weather, and unforgettable mountain scenery await.
Highlights
Race Information
Start Time
18:00
Typical Weather
Variable alpine conditions, 5-25°C, possible storms, cold nights
Established
2003
Tags
Frequently Asked Questions
Quick Info
- August 28-30, 2026
- Chamonix · France
- Trail course
- Mountain elevation
- 10,000 participants
Verified event information
- Last verified 1 day ago
- Data sourced from official website