UTMB Group and The IRONMAN Group partner to launch the ground-breaking UTMB® World Series

UTMB Group – a major player in trail running which has led the sport’s development for the last 18 years – has joined forces with ...

The earth, the essential element of trail running

Trail running is a sport that invites runners to dive right into nature and to explore the territoryeto. The UTMB® has been worki...

Relive the 2018 edition!

Discover the new entry process for the UTMB® Mont-Blanc !

UTMB® official e-shop

A mythical race, a unique experience

From August 23th to August 29th 2021 Live an extraordinary adventure in the heart of the Pays du Mont-Blanc The UTMB® is the most...

Photos runners

180 000 photos taken by the Flash-sport team throughout your race are now online and classified individually....