Cross de l'Iroise Athlétisme

Set against the stunning backdrop of Mont Blanc, the Chamonix Ultra Trail is an exhilarating race that challenges runners with breathtaking Alpine scenery and challenging terrain. Participants will traverse through lush valleys, cross icy streams, and scale steep mountain passes as they make their way along this iconic course. The event's atmosphere is electric, filled with enthusiastic supporters cheering on competitors at various checkpoints and aid stations.
The route features a mix of technical trails that wind around glacial lakes and dense forests, offering runners a true taste of the French Alps' natural beauty. As the race progresses, participants will experience elevation changes that test both physical endurance and mental fortitude. The highlight for many is reaching the summit where panoramic views await before descending back into Chamonix.
This event promises an unforgettable adventure through one of Europe's most scenic landscapes, making it a must-attend for trail runners seeking a unique challenge in a world-renowned setting.
Runners will gather on December 6, 2026, to take part in this thrilling experience.