Trail Running calendar near Ketchum 2026-2027

A mountain trail endurance event in Challis, Idaho on June 20, 2026 offering 32K, 55K and 108K distances with significant elevation, multiple aid stations and crew friendly access. Races finish down Main Street Challis into City Park.

High-altitude trail races near Ketchum, ID offering 100 mile, 60K and 30K courses on remote, technical terrain with significant climbing and hiked-in aid stations. Shuttle service for the 30K and 60K is available until July 17.

Event Overview The Standhope 100 is a 100-mile endurance trail run held on July 25-26. It is described as Idaho's highest trail race, taking place in the remote Pioneer Mountains. The course covers over 23,000 feet of climbing across remote..

Take part in a Snake River Canyon tradition featuring a transition across the Perrine Bridge. Choose between 7.5 mile and 3.5 mile distances for a unique route through the Idaho landscape.

Experience a unique run or hike around symmetrical volcanic pit craters at this National Natural Landmark near Mountain Home. Choose between a 6.2 mile loop or a shorter out and back route with spectacular views.

Experience the autumn colors of Idaho with a Half Marathon or 55 km Ultra Marathon through the rugged trails and high alpine peaks of Sun Valley.