Recorrido y desnivel

An iconic alpine marathon starting in Chamonix and finishing at the foot of Mont-Blanc, traversing the Chamonix Valley with relentless elevation changes through stunning mountain scenery. The course passes through classic alpine villages including Les Praz, Argentière, and Vallorcine before descending back toward Chamonix. This is one of the most challenging marathon courses in Europe, demanding significant climbing and technical trail management.

Datos del recorrido

Distancia 42.195 km
Desnivel acumulado 2800 m
Superficie road
Perfil Montañoso

Clima on Race Day

16°C

Temperatura

65%

Humedad

35%

Probabilidad de lluvia

Early summer alpine conditions with cool mornings and mild afternoons. Occasional mountain showers possible, with significant temperature variation between valley floor and higher elevations.

Obtén tu plan de entrenamiento

Gratis, personalizado para esta carrera

Alertas para Marathon du Mont-Blanc

Apertura de inscripciones, cambios de fecha, avisos de agotamiento.