Alaska Endurance Trail Run

JUN
5-6
2026
Experience the Alaska Endurance Trail Run on UAF West Ridge trails, racing under the midnight sun in Interior Alaska for a unique ultramarathon vibe. Choose 6 hour, 12 hour or 24 hour timed challenges to test endurance on scenic trails and long daylight.
5-6 Jun 2026
6 Hour Trail Challenge 12 Hour Trail Challenge 24 Hour Trail Challenge

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Alaska Endurance Trail Run

The Alaska Endurance Trail Run is a trail event in Interior Alaska held on the UAF West Ridge trails. The 2026 edition is scheduled for Friday to Saturday, 6/5/2026 to 6/6/2026, and will be the 10th running. The event takes place during the region’s midnight sun period, and the organizer notes that headlamps are not needed.

Race format and distances

The event is described as a trail ultramarathon and uses timed trail challenges. It is open to individual runners and walkers. Distances offered include:

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

Organization and other details

The event is a member of the Road Runners Club of America. Local sponsors listed include a restaurant and a bakery. The organizer publishes race information pages covering course details, aid stations, race rules, visitor information, registration, and past entry lists and results. Visit the organization's website for the most recent information.

24 hr
24 Hour Trail Challenge
12 hr
12 Hour Trail Challenge
6 hr
6 Hour Trail Challenge

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