Trail Courmayeur, Italy
UTMB TDS
145 km · 9,100 m+
The wildest, most technical race of UTMB week, on remote high-mountain paths from Courmayeur. Rugged, demanding and unforgettable for experienced trail runners.
Trail Ultra UTMB Mountain
Why it's worth it
Circle Mount Fuji on a demanding 100-miler with the sacred peak watching over every step. Japan's premier ultra and a UTMB World Series flagship.
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Trail Chamonix, France
UTMB — Ultra-Trail du Mont-Blanc
171 km · 10,000 m+
The crown jewel of world trail running. 171 km around the Mont Blanc massif through three countries — the atmosphere in Chamonix is something every runner should experience at least once. If the mountains and the suffering call to you, this is the peak of the season.
Trail Ultra Iconic
Trail Courmayeur, Italy
UTMB CCC
101 km · 6,100 m+
The little sister of UTMB, from Courmayeur to Chamonix over the same legendary trails. A 100 km mountain ultra that is a dream goal in its own right.
Trail Ultra UTMB Mountain