Running the course of the Ultra-Trail du Mont-Blanc, whether during the race or some other time at a gentler space, is an unforgettable experience. Aside from having the Mont Blanc massif with its 170 ...

Has ultra-distance trail running become dangerous? That's also among the many questions trail runners around Chamonix were asking Tuesday evening, less than 24 hours after a Brazilian athlete was ...

Jim Walmsley has been one of the top ultrarunners in the world since he won the JFK 50 in 2015. The Hoka-sponsored runner has won the Western States 100 three times (2018, 2019, 2021) and holds the ...

Often regarded as the most prestigious trail race in the world, the 2025 edition of the Ultra-Trail du Mont-Blanc (UTMB) gets underway on Friday 29 August. Roughly 2,600 ultramarathoners embark on the ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Who's planning on being at the starting line in Chamonix, and which runners hope to be first to ...

Trail running, but not as you know it - UTMB is an assault on the senses in every way It is just past 9pm on a cool summer evening at the foot of a steep hiking path in the French Alps. A place to ...

UTMB, or the Ultra-Trail du Mont-Blanc, is a 106-mile loop around the Mont Blanc massif with over 32,940 feet of elevation gain. This mountain ultra attracts some of the top competition in the world, ...

Entailing 176km of technical trails and almost 10,000m of positive elevation, the UTMB World Series Final, better known as the UTMB, is a formidable alpine endeavour – and this year’s edition saw some ...