This race stands out in the mountain biking landscape because it is the only one that displays a one-day event with such a long distance: 140 km with 7000 meters of positive altitude difference.
From July 3 to 5, 2026
This race stands out in the mountain biking landscape because it is the only one that displays a one-day event with such a long distance: 140 km with 7000 meters of positive altitude difference. A race that counted only 1 finisher out of 600 runners in 2010, which earned it the label of the most difficult race in the world! The event has established itself as a major event, both on its territory and in the mountain biking world.
MB Ultra Somfy : 70 km | 100 km | 140 km
A legendary race on the trails of the Mont-Blanc region. One goal: become a finisher of the toughest MTB race in the world. One challenge: 140 km and 7,000 m of climbing to earn your place in the MB Finishers family!
MB Explore : 20 km | 35 km | 50 km
Three distances to dive into the unique world of the MB Race, with breathtaking views, 2,500 m of elevation gain, and a thrilling shot of adrenaline in the heart of the Mont-Blanc area.
MB Enduro : 5 stages
Celebrating its 10th year, the MB Enduro still brings an unbeatable atmosphere! A one-day race with no reconnaissance — old-school style — where riding skills and technique are everything.
MB E-rando : 20 km | 35 km | 50 km
Looking toward the future of cycling, the MB Race also welcomes e-MTB riders for leisurely exploration of its trails. With local-style refreshment points and festive entertainment, it’s a treat for those who love scenic rides.
MB FTT : 20 km
Launched in 2023, this electric all-terrain wheelchair route allows people with reduced mobility to fully experience the MB Race over 20 km and 800 m of elevation gain.
MB Minimes : 15 km
A brand-new format for 13-14 year olds: a real race of 12 km and 500 m of climbing between Combloux and Megève — designed for young riders dreaming of crossing the finish line like the pros.
MB Kids
Young riders will also get to challenge themselves on the trails of Mont-Blanc. These future champions are the MB Finishers of tomorrow!
MB Balance Bike
A weekend highlight: the youngest participants will enjoy looping through the heart of the expo village on their little bikes!
MTB Alpine Cup : 4 races
An extreme challenge across four legendary races in the Jura and Alps: up to 436 km and 17,000 m of total elevation gain!
Telephone: +33 4 50 91 48 59
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