Trail RunningMarathon

42km du Mont-Blanc

28 June 2026

Chamonix-Mont-Blanc, Auvergne-Rhône-Alpes, France

Race details

Modality

Individual

Organizer

Marathon du Mont-Blanc

Distance

42 km

Elevation

+2,540 m

Participants

7,494

Capacity

2,300

Start time

07:30

Terrain

Trail

Difficulty

Advanced

Course profile

Mountainous

Minimum age

20+

Certified

Yes

Circuit

Golden Trail World Series

Event description

The 42km du Mont-Blanc is a legendary trail running race set in the breathtaking alpine scenery of Chamonix-Mont-Blanc. Featuring a significant elevation gain of 2540m, this mountainous course offers a challenging experience for athletes seeking to test themselves in the heart of the French Alps.

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In the news

⛰️ Trail Running22 Jun 2026

Chamonix Under Pressure: Golden Trail Series Braces for Rémi Bonnet’s Record Attempt

Rémi Bonnet threatens the historic Mont-Blanc Marathon record in an edition defined by extreme speed and a race against the clock in Chamonix.

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Sport

Trail Running

Distance

Marathon

Country

France

Region

Auvergne-Rhône-Alpes