Races›France›Haute-Savoie›Mont Blanc Marathon
Chamonix-Mont-Blanc, Haute-Savoie, seen from above
Thursday 24 June 2027

Mont Blanc Marathon

Chamonix-Mont-Blanc, Haute-Savoie · France
UltraAlpine

Chamonix singletrack with Mont Blanc filling the sky

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Course

A 42 km loop from Place du Triangle de l'Amitié: rolling valley trails to Le Tour, the steep, technical Aiguillette des Posettes (2,185 m), a technical descent to Vallorcine, the balcony traverse to La Flégère, a final climb to Planpraz and the long descent into Chamonix. 2,540 m of climb and descent.

92 km92 km
42 km42 km
23 km23 km
21 km21 km
13 km13 km
10 km10 km

Key dates

Date confirmed with the organiser · entry window checked by RunCalendar

About

The Mont Blanc Marathon is a breathtaking trail running event set against the stunning backdrop of the French Alps. Runners will test their endurance as they tackle challenging terrain and take in awe-inspiring views of the iconic Mont Blanc massif. This legendary race is a must for any adventurous trail enthusiast.

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