It’s UTMB week! Read our women’s and men’s previews before following our live coverage starting on Friday.

The Matterhorn Ultraks Extreme 25k

Runners traverse snow fields during the Matterhorn Ultraks 25k Extreme race. Photo: David Carlier
By on August 22, 2021 | Comments
Support us! iRunFar may earn a small commission from affiliate links in this article. Learn more.

The Matterhorn Ultraks Extreme 25k

The Matterhorn Ultraks Extreme 25k

Alex Potter
Alex Potter is a contributor and former editor at iRunFar. Following a nearly decade-long hiatus from running after college, she has found a new love in trail running. As a photojournalist, Alex has reported throughout the Middle East and East Africa for publications like 'National Geographic,' 'The New York Times,' and 'The Washington Post.'