United States
Sep
20-21
Sa - Su
Idaho Mountain Trail Ultra Festival (IMTUF 100)
The Idaho Mountain Trail Ultra Festival (IMTUF 100) is an annual mountain ultramarathon held near McCall, Idaho, featuring a 100-mile and a 20-mile race. The event takes place over two days in September, with the 100-mile race starting early Saturday morning and the 20-mile race on Sunday. Known for its challenging courses, IMTUF is a qualifier for both the Hardrock 100 and Western States 100, attracting serious ultrarunners seeking a demanding mountain adventure.
Participants must be well-prepared, as the race involves significant commitment and risk. Registration opens in January, with a focus on safety, endurance, and mountain running expertise. 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