Alaska Endurance Trail Run

Fairbanks, United States • 5-6 Jun 2026

The Alaska Endurance Trail Run is a challenging ultramarathon event held in Interior Alaska on the UAF West Ridge trails. It features 6, 12, and 24-hour trail running and walking challenges, offering participants the unique experience of racing under the midnight sun, eliminating the need for headlamps. The course is set in a scenic, rugged environment, providing a true test of endurance for individual runners and walkers. The event is supported by local sponsors and is a member of the Road Runners Club of America, emphasizing community and competitive spirit in Alaska’s wilderness. Visit the organization's website for the most recent information.

Race information

24 km
24 Hour Trail Challenge
12 km
12 Hour Trail Challenge
6 km
6 Hour Trail Challenge
Visit the organization's website for the most recent information.
Trail runs nearby