Logo

Idaho Mountain Trail Ultra Festival (IMTUF 100)

McCall, United States • 20-21 Sep 2025

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 14th edition in 2025 features a 100-mile race beginning Saturday morning and a 20-mile race on Sunday. Known for its rugged, remote terrain, IMTUF offers a serious mountain adventure with significant risks for the unprepared. It serves as a qualifier for prestigious ultras like Hardrock 100 and Western States 100, attracting experienced runners seeking a demanding and committing race experience. The event emphasizes safety, preparation, and respect for the mountain environment. Visit the organization's website for the most recent information.

United States Idaho McCall

Race information

Website Registration
100 mi
100 Miler
20 mi
20 Miler
Visit the organization's website for the most recent information.
Trail runs nearby

Brundage Mountain Summit Cat Track

McCall

The Brundage Mountain Summit Cat Track event in McCall, Idaho, offers two scenic mountain runs: a challenging 10K uphill and downhill race and a 5K downhill run. The 10K course ascends 3.1 miles with a 1,640-foot elevation gain to Brundage Mountain's summit, providing stunning 360-degree views of Pa..

Mccall Trailrunning Classic

McCall

The McCall Trailrunning Classic is an annual trail running event held in the Payette National Forest near Burgdorf Hotspring, Idaho. Established in 2012, the race features two distances: a 30K and a 50K, both run on challenging alpine singletrack trails originally part of the IMTUF100 course. The 30..

Payette Lake Run

McCall

The Payette Lake Run, held in McCall, Idaho, offers three race distances: a 30K, 14K, and 5K. The 30K is a full loop around scenic Payette Lake, while the 14K starts near North Beach and the 5K near Little Lake on Lick Creek Road. All races begin and end at Brown Park in downtown McCall, which provi..

Sasquatch Shuffle

McCall

The Sasquatch Shuffle is an annual trail running event held in McCall, Idaho, featuring multiple race distances including 50K, 30K, 20K, a new 50/50 challenge, and a Triple Threat option where participants run three distances over two days. The course consists of a scenic 6.79-mile loop through Pond..