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 ...

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 ...

Then there's the scale. The second most prestigious 100-mile trail race in the world, Western States in California, caps entry at fewer than 400 runners, a fraction of UTMB. Over the course of a week ...

The Ultra-Trail du Mont-Blanc (UTMB) race starts today, but before the runners endure the 103-mile trail in the Alps, a 30-person group is taking on the trail to raise money for research for ...

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, ...

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 ...

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 ...

Les ultra-trails sont-ils devenus dangereux? That’s the question the front-page headline of the Le Dauphiné newspaper posed when it hit newsstands and coffee shops early Wednesday morning in Chamonix, ...

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 ...