IMTUF
· starts 6:00 AM
McCall, ID
IMTUF is a trail race of 100 miles (161 km) in McCall, Idaho. It was last run on Tuesday, September 1, 2026, starting at 6:00 AM. The race gives its climbing as 21,900 ft (6,675 m); measured from its course file, it's 18,202 ft (5,548 m). Its high point is 8,343 ft (2,543 m). It's a Hardrock 100 qualifier and a Western States 100 qualifier. Registration is open to all; registration opened on January 2, 2026. The field is about 200 runners.
The course
Questions about IMTUF
When is IMTUF 2026?
IMTUF 2026 was on Tuesday, September 1, 2026, starting at 6:00 AM local time.
Where is IMTUF?
IMTUF is held in McCall, Idaho.
How long is IMTUF?
IMTUF is 100 miles (161 km); its course file measures 102 miles.
How much elevation gain does IMTUF have?
IMTUF has 21,900 ft (6,675 m) of elevation gain, as the race states it.
Is IMTUF a Western States qualifier?
Yes. IMTUF is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.
How do you get into IMTUF?
IMTUF has open registration. Registration opened on January 2, 2026.
What is the weather usually like at IMTUF?
Around IMTUF's date, the day's high is typically about 77°F (25°C) and the low about 49°F (9°C), averaged over recent years.
How many aid stations does IMTUF have?
IMTUF's course has 10 aid stations after the start.
Where can I see the IMTUF elevation profile and aid station cutoffs?
runfarwhere has IMTUF's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.
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