Power of Four Trail Run
Aspen, United States • 18 Jul 2026
Audi Power of Four Trail Run
The Audi Power of Four Trail Run is an endurance race day held on July 18, 2026 in the Aspen Snowmass area with course access across Aspen, Tiehack and Elk Camp. The event offers three distance options and uses trails and dirt roads that traverse the four Aspen Snowmass mountains.
The event series stages a 50K ultramarathon that moves across all four mountains using a mix of singletrack and dirt road. The 25K follows the Government Trail and connects Buttermilk and Snowmass. The 10K begins at Elk Camp Restaurant and descends across Snowmass to Fanny Hill.
Registration opens January 1 and the registration fee range is listed as $100 to $125. The event provides course information, race information, spectator information, results, and lodging details for participants and visitors.
Distances Visit the organization's website for the most recent information.
- 50K - ultramarathon across all four Aspen Snowmass mountains.
- 25K - along the Government Trail linking Buttermilk and Snowmass.
- 10K - starts at Elk Camp Restaurant, traverses Snowmass to Fanny Hill.