Ultra-Trail du Mont-Blanc

Ultra-Trail du Mont-Blanc
Finish line in 2015
Dateend of August
Location Chamonix, France
Event typeUltramarathon trail run
Distance174-kilometre (108 mi)
Established2003
Course recordsMen: Jim Walmsley 19:37:43 (2023)
Women: Katie Schide 22:09:31 (2024)
Official sitehttps://montblanc.utmb.world/

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.

Renamed in 2023 as UTMB World Series Finals, it is the final event of the UTMB World Series qualification races held throughout the world.