Chamonix

With a deep men's field at ultrarunning's biggest event, can Jim Walmsley become the first American man to claim the title at UTMB?

American men have historically struggled on the UTMB podium. David Laney is the highest placing American, making his fourth trip to Chamonix. 

With entry changes on the horizon, this year’s UTMB might be the most competitive ever. Here’s why. 

Directors of two iconic U.S. races respond to the introduction of the UTMB World Series.

Check out Sam Herreid's author page.

Check out Trail Runner magazine's author page.

Check out Zoë Rom's author page.

Check out zoe hrom's author page.

In Europe, trail runners are heading higher—and some are dying. Will it happen here in North America?

Check out Megan Janssen's author page.

Check out Megan Janssen's author page.

Two New England women are rising stars in the ultra-competitive Euro race scene.

Check out Megan Janssen's author page.

Check out Samuel Griffith's author page.

Check out Jacky Thompson's author page.

Check out Megan Janssen's author page.

Check out Trail Runner magazine's author page.

Check out Doug Mayer's author page.

Check out Trail Runner magazine's author page.

Trail runner and filmmaker Andrew Drummond set out to capture TDS, the epic companion to UTMB, and came away with these scenes from the race.