MB Race

Discover the world's hardest mountain bike race.

2027 dates coming soon

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Calling All Mountain Bikers

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This race stands out in the mountain biking world as the only one-day event covering such a long distance: 140 km with 7,000 metres of ascent.

In 2010 the race had just 1 finisher out of 600 riders, earning it the title of the hardest race in the world! The event has become a major fixture, both locally and in the mountain biking community.

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On the programme:

MB Ultra: 70 km | 100 km | 140 km

A now-legendary race on the trails of the Mont-Blanc region. One goal: to become a finisher of the hardest race in the world. One challenge: 7,000 m of ascent and 140 km to conquer to join the MB Finishers family!

MB Ultime: 230 km

An adventure in teams of two: complete the 230 km MB Ultime course in under 36 hours!

MB Explore: 55 km

A challenge in its own right with 2,500 metres of ascent, the MB Explore takes you 35 or 50 km through breathtaking landscapes facing Mont Blanc!

MB First: 20 km | 35 km

A new course offering explosive short distances or active relaxation along beautiful mountain trails.

MB Enduro: 5 Stages

The MB Enduro has been running for 10 years and the atmosphere is still wild! A one-day, old-school race with no practice runs, where riding skill and technique take centre stage!

MB E-rando: 20 km | 40 km

Looking to the future of cycling, the MB Race also lets you discover its trails on an e-mountain bike ride. A format sure to delight lovers of beautiful routes, with refreshment stops showcasing local produce and festive entertainment.

MB FTT Rando

A ride for people with reduced mobility in all-terrain wheelchairs!

MB Kids

Young competitors aged 7 to 14 can also challenge each other on the trails of Mont Blanc. Budding champions, they will be the MB Finishers of tomorrow!

MB Kids Discovery

A 100% fun event for children aged 6 to 9!

MB Balance Bike

A highlight of the weekend: the youngest can have fun on a loop in the heart of the exhibitors' village!

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