United States
Sep
20-21
Sa - Su
Idaho Mountain Trail Ultra Festival (IMTUF 100)
The Idaho Mountain Trail Ultra Festival (IMTUF 100) is a challenging mountain ultramarathon held annually near McCall, Idaho, starting and finishing at Jug Mountain Ranch. The 2025 event, marking its 14th year, features a 100-mile race beginning Saturday and a 20-mile race on Sunday. Known for its rugged, remote course, IMTUF demands serious preparation and commitment, offering a true mountain adventure with significant risks for the unprepared.
The race serves as a qualifier for prestigious events like Hardrock 100 and Western States 100, emphasizing its difficulty and prestige. Participants should be ready for a demanding experience far from immediate help. Visit the organization's website for the most recent information.
Always double-check with the organizer's website – things can change, and we might have sprinted past a few details!
100 mi
100 Miler
20 mi
20 Miler
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