Trail Running calendar near Twin Falls 2026-2027

Set in Idaho's rugged Pioneer Mountains, the Standhope Ultra Challenge features high-altitude 100-mile, 60K, and 30K trail races. With remote, technical terrain and significant elevation gain, it's a demanding backcountry adventure. Finishe..

Course Description The Outlaw Trail Ultra Half Marathon is a point-to-point race. The route begins high up at the Diamondfield Jack Campground and runs north, finishing at the Third Fork Campground. The course is described as mostly downhil..

Trail half marathon and 55K ultra at Oregon Gulch near Ketchum, Idaho, featuring forested single-track loops, steep climbs, stocked aid stations, and free race photos.