Ultra-Trail du Mont-Blanc
The Ultra-Trail du Mont-Blanc (UTMB) is a mountain ultramarathon race, first held in 2003, that follows the route of the Tour du Mont Blanc. It has been regarded as the most competitive trail ultramarathon in the world.
Finish line in 2015
Vincent Delebarre at Champex during the UTMB 2005
Runners by night during the UTMB 2005
A check point on the UTMB 2005
An ultramarathon, also called ultra distance or ultra running, is a footrace longer than the traditional marathon length of 42.195 kilometres. Various distances, surfaces, and formats are raced competitively, from the shortest common ultramarathon of 31 miles (50 km) and up to 3100 miles. World Championships are held by the International Association of Ultrarunners (IAU) for 50 km, 100 km, 24 hours, and ultra trail running. The Global Organization of Multi-Day Ultramarathoners (GOMU) holds World Championships for 48 hours and 6 days. World Records are ratified and recognized by World Athletics, the IAU, and by GOMU.
Ultramarathoners compete at the Sahara Race 2011 (4 Deserts).
Runners waiting for the start of the 2023 Comrades Marathon
View from the Atacama Crossing 2011.