Alaska Endurance Trail Run

JUN
5-6
2026
Celebrate the tenth Alaska Endurance Trail Run on UAF West Ridge trails with 6, 12 and 24 hour timed challenges under the midnight sun. Open to runners and walkers, this ultra trail event blends scenic Interior Alaska terrain with a welcoming community vibe.
5-6 Jun 2026
6-Hour Trail Ultramaratho... 12-Hour Trail Ultramarath... 24-Hour Trail Ultramarath...

Always double-check with the organizer's website! This page may contain affiliate links.

Alaska Endurance Trail Run 2026

The Alaska Endurance Trail Run takes place Friday to Saturday, 6/5/2026 to 6/6/2026. The 2026 event is the tenth running of the race. It is a trail ultramarathon event held in Interior Alaska and is affiliated with the Road Runners Club of America. The event is open to individual runners and walkers.

Race format and course

The event uses the UAF West Ridge trails. It is organized as timed trail challenges rather than fixed-distance races. Distances offered include:

  • 6-hour trail challenge
  • 12-hour trail challenge
  • 24-hour trail challenge

Organizers publish race rules, course details, aid station information, and visitor information. The event takes place during the period of midnight sun in Interior Alaska, and participants are advised that headlamps are not necessary.

Other information

The event lists sponsors including Zach’s Restaurant & Express Room Lounge at Sophie Station Suites and Lulu’s Bread and Bagels. Registration, results, reports, and volunteer information are maintained by the event organizers. Visit the organization's website for the most recent information.

24 hr
24-Hour Trail Ultramarathon
12 hr
12-Hour Trail Ultramarathon
6 hr
6-Hour Trail Ultramarathon