300 km trail running by UTMB. The longest distance race of the UTMB series.

Statistics

1

day +

22,121

m

22,118

m

17

max°

Difficulty

FATMAP difficulty grade

Severe

Description

A 300 km trail running route with 25,000 meter of elevation gain.

The 2022 route circles the beautiful and majestic Mont Blanc mountain range with the starting/finishing point at Chamonix, France.