90K
42K Marathon
23K Cross
10K
✓ Open
Marathon du Mont-Blanc
Chamonix, Auvergne-Rhône-Alpes - France
About This Race
Premier alpine trail event at the foot of Mont-Blanc. Technical high-altitude running with breathtaking glacier and peak panoramas.
The Course
High-altitude mountain trails in the Mont-Blanc massif with glacier views and technical alpine terrain
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Race Details
Terrain
Trail
Elevation
Mountain
6500m (90K) gain
Participants
7,000 participants
Distances
90K, 42K Marathon, 23K Cross, 10K
What to Expect
World-class alpine trail running in the shadow of Western Europe's highest peak. Challenging terrain, thin air, and spectacular glacial scenery.
Highlights
Mont-Blanc massif backdrop
High-altitude terrain (up to 2400m)
Technical alpine trails
Eco-responsible race policy
Vertical Kilometer option
Race Information
Start Time
06:00
Typical Weather
Variable alpine summer, 10-22°C, afternoon storms common
Established
2003
Tags
Alpine
Mountain
Technical
Glacier Views
High Altitude
Frequently Asked Questions
Quick Info
- June 26-28, 2026
- Chamonix · France
- Trail course
- Mountain elevation
- 7,000 participants
Verified event information
- Last verified 1 day ago
- Data sourced from official website