We're live in Chamonix, France, with behind-the-scenes coverage and results from the 2025 UTMB Mont-Blanc PTL, TDS, OCC, and CCC races.

The world’s biggest trail running event is about to get underway in Chamonix, France, and you can tune in to the live action from the French Alps on your laptop or phone. For years, the Ultra-Trail du ...

Ruth Croft knew she had a tall task heading into this year’s Ultra-Trail du Mont-Blanc trail running race in Chamonix, France. Not only was the weather forecast calling for cold rain and snow, but ...

UTMB will host Rothrock races May 16–17, 2026, featuring 54K and 26.9K courses. Registration opens Dec 9 (priority) and Dec 11; standard fees $115–$200. UTMB commits $40,000+ in community grants, ...

Just after 10 a.m. on August 28, more than a thousand runners surged from Orsières, Switzerland, toward Chamonix, France, to compete in the prestigious Orsières-Champex-Chamonix (OCC) ultramarathon.

Pro Ultra Trail Runner dominated the UTMB race powered by Amazfit’s Helio Strap and the newly launched Amazfit T-Rex 3 Pro smartwatch CHAMONIX, France--(BUSINESS WIRE)--Amazfit, a leading global smart ...

A prestigious, international trail running event is coming to Happy Valley in May. And with it will come trail improvements, a bigger spotlight — and an opportunity to qualify for a championship race ...