UT4M - Ultra Tour 4 Massifs 100km

The 100km format is one of the distance options available for this race. This distance offers a unique challenge suited to runners seeking an ultra-distance experience. The course shares the same terrain and atmosphere as the main event, with route sections specifically designed for this format. Check the official race page for detailed route information, aid station locations, cutoff times, and mandatory gear requirements specific to the 100km distance.