Challenge Family Trail RunningUTMB 2025

UTMB 2025 – Ultra-Trail du Mont-Blanc is the ultimate challenge in trail running, set against the dramatic peaks of the Alps. From August 25 to 31, thousands of athletes from around the world will gather in Chamonix to take on the iconic 171 km course across France, Italy, and Switzerland, with nearly 10,000 meters of elevation gain.

Beyond the main event, races like the CCC, OCC, and TDS offer unforgettable experiences for runners of all levels. With breathtaking landscapes, passionate crowds, and a festival-like atmosphere, UTMB 2025 is more than a race — it’s a celebration of endurance, community, and the power of the mountains.