UTMB
4 letters. 3 countries crossed. 1 extraordinary adventure, which is now the 100M finals of the UTMB World Series. This is the iconic race that has taken so many passionate runners on an extraordinary journey around the Mont-Blanc.
Race Category
Distance
176 KM
Elevation Gain
9900 M+
Start Date
Friday 29th August 2025
Race Start
Chamonix - 18:00
Max Allowed Race Time
46 Hours 30 Minutes
KEY DATES TO KEEP IN MIND
- 19 December 2024 - 11h (CET): Pre-registration opens for the UTMB (UTMB World Series Final) lottery
- 09 January 2025 - 11h (CET): Pre-registration closes for the UTMB
- 16 January 2025: UTMB lottery draw
- 28 January 2025 : Final date for runners to confirm registration for UTMB
Dive deep into the heart of the race
A closer look at the course
THE ULTIMATE REFERENCE IN TRAIL RUNNING
Created in 2003, the UTMB is "the most mythical and prestigious trail running race in the world" with 171 kilometers and 10,000 meters of positive elevation gain around the Mont-Blanc through Italy, Switzerland and France. A race like no other, it transcends the sport, and has established itself as an iconic trail race, renowned worldwide.
No matter the time it takes to finish, whether done in under 20 hours or more than 46, the elite runners as well as amateur runners share the same adventure on the same exceptional course, carried by the stunning beauty of the landscapes and a common goal: to cross the finish line in Chamonix. Much more than a race, it is an introspective adventure which transforms every person that takes on the challenge.
100M Final of the UTMB World Series
The UTMB is now the ultimate final of the UTMB World Series circuit in the 100M category. It is the culmination of a quest to surpass one’s limits, accessible to both amateurs and elite runners, after having participated in UTMB World Series races.