Trail Running calendar near Ketchum 2025-2026

The River of No Return Endurance Runs, held in Challis, Idaho, offers challenging trail races of 32K, 55K, and 108K distances. Set against Idaho’s stunning wilderness, the courses feature significant elevation gains—up to 17,600 feet for the 108K—with climbs reaching over 10,000 feet. Runners traver..

The Standhope 100 is Idaho’s highest trail race, offering a challenging 100-mile endurance run around the Pioneer Mountain Range. Scheduled for July 25-27, 2025, the race features a single-loop course with significant elevation gains, technical terrain, and high-altitude views. Participants can expe..

The Standhope Ultra Trail is a challenging and scenic mountain race held in the Pioneer Mountains near Ketchum, Idaho. The event features multiple distances, including a grueling 100-mile run, a 60K, and a tough 30K option that covers the latter half of the 60K course. Runners face rugged terrain wi..

The RIM2RIM RACE4HOMES is a popular running event held in Twin Falls, Idaho, featuring a challenging 7.5-mile course through the scenic Snake River Canyon. Participants can choose from several events, including the RIM2RIM RUN, RIM2RIM WALK, 1/2 RIM RACE, and a virtual race option. The race begins a..

Legends Never Die is a challenging trail running event held in Oregon Gulch near Ketchum, Idaho, set against the stunning backdrop of Sun Valley's vibrant fall colors. The event features two main races: a Half Marathon (13.1 miles) with a 2,372 ft elevation gain reaching 7,600 ft, and a 55 km Ultra..