Uinta Wilderness Ultra

Evanston, United States • 22 Aug 2026

Uinta Wilderness Ultra - Trail to 100

The event is a trail running weekend in the Uinta Mountains offering two main distances. Distances include:

  • Half Marathon: 13.5 miles, 1,822 ft vertical gain, 5 hour cutoff
  • Marathon / Ultra: 27 miles, 3,627 ft vertical gain, 8 hour cutoff

Both courses start and finish at the North Slope Parking Lot off Mirror Lake Highway 150 near Evanston, Wyoming. The half and the marathon run through mountain ridges, valleys, pine forests, and past mountain lakes, with sections on ATV trails, singletrack, and short paved segments. The marathon or ultradistance is a 13 mile loop run twice in opposite directions.

Aid stations are placed along the course and at the finish. They are stocked with water, ice, Tailwind electrolyte drink, fruit, snacks, chips, Uncrustables, bug spray, sunscreen, and basic first aid supplies. Runners must carry at least a 16 ounce water bottle. Vehicles entering the National Forest must display a day pass; the permit fee is noted as $10 for a short term permit. Entry fees are non refundable; deferral to the following year may be arranged before August 19. Race transfers are not permitted.

Tshirts are provided to runners and finisher awards are given to all finishers. The event takes place on National Forest Service land. Volunteers support aid stations, course marking, parking, and other race operations and receive race shirts and entry incentives based on hours worked. Visit the organization's website for the most recent information.

Race information

27 mi
Marathon/ultra Distance
14 mi
Half Marathon
Visit the organization's website for the most recent information.
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