Ready to race? Register directly on the official race website — opens in a new tab.
Register →Save this race to your wishlist, set a registration reminder, and build a full training plan on Trehko.
UTMB is a 100 miles trail running event held in Chamonix on Aug 28, 2026. It draws 2,300 competitors. The course has a hilly profile.
Trehko tracks registration status, entry fees, and deadlines for UTMB and thousands of other endurance races. Use the app to set a registration reminder and build a training plan tailored to race day.