Aspen Backcountry Marathon

Race facts

• The course covers 42.2 km with 1,452 m of elevation gain.
• It takes place on a Saturday, August 1, 2026 — summer in this part of the world.
• The closest comparable trail running event is Leadville Trail 100 in Main Street, 46 km away, on August 22, 2026.
• 12 of the 12 most similar events take place in the same month.