Trail Running calendar near Ketchum 2026-2027

Trail endurance races in Challis, Idaho on June 20, 2026 offer three distances with courses that pass the Salmon River, Blue Mountain and nearby lakes. Registration closes June 1.

Trail ultraruns in the Pioneer Mountains of Central Idaho offering 100 mile, 60K and 30K distances over rugged terrain. The two day event is noted for scenic views, steep climbs and long descents.

A remote 100 mile trail race in Idaho's Pioneer Mountains on 25 to 26 July 2026 with over 23,000 feet of climbing, 12 staffed aid stations, spot tracking, and required backcountry gear.

Follow the path of a historic outlaw on this mostly downhill point to point race. Run through the Sawtooth National Forest on a mix of rugged jeep trails and ten miles of single track forest paths.

A set of organized runs and a walk in Twin Falls along the Snake River Canyon on 12 September 2026, featuring a 7.5 miles rim course across Perrine Bridge and a 3.5 miles downhill half race; no pets or strollers allowed.

A trail event on September 12, 2026 around the volcanic Crater Rings near Mountain Home, Idaho. Options include a 10K loop on a jeep road or a 2.9 mile out and back to the East Crater viewpoint, with hydration stations and awards.

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.