
This race stands out in the world of mountain biking as the only one-day event covering such a long distance: 140 km with 7,000 meters of elevation gain.
In 2010, out of 600 participants, only one finished the race—earning it the title of the world’s toughest race! The event has become a landmark event, both locally and within the mountain biking community.

MB Ultra: 70 km | 100 km | 140 km
A race that has already become legendary along the trails of the Mont Blanc region. One goal: to finish the world’s toughest race. One challenge: 7,000 meters of elevation gain and 140 km to conquer in order to join the MB Finishers family.
MB Ultime: 230 km
A two-person team adventure: complete the 230-km MB Ultime course in less than 36 hours!
MB Explore: 55 km
A challenge in itself with 2,500 meters of elevation gain, the MB Explore takes you on a 35- or 50-km route through breathtaking scenery with views of Mont Blanc.
MB First: 20 km | 35 km
A new route that offers short, intense runs or active relaxation along beautiful mountain trails.
MB Enduro: 5 stages
The MB Enduro has been around for 10 years, and the atmosphere is still wild! It’s an old-school, one-day race with no course reconnaissance, where riding skills and technique take center stage.
MB E-hike: 20 km | 40 km
Looking ahead to the future of cycling, the MB Race also lets you explore its trails on an e-MTB route. This format is sure to delight lovers of scenic rides, with aid stations featuring local products and festive activities.
MB FTT Rando
A route for people with limited mobility in all-terrain wheelchairs!
MB Kids
Young participants ages 7 to 14 can also compete on the Mont Blanc trails. These budding champions will be the MB Finishers of tomorrow!
MB Kids Discovery
¡An event that's 100% fun for kids ages 6 to 9!
MB Pedal-less Bike
One of the highlights of the weekend: the little ones can have fun on a play area right in the heart of the exhibitors' village!
Phone: +33 4 50 21 06 84
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