What are the available race distances and start times?

• →50K — Start: 8:00 AM MST
• →30K — Legend of Bear Pete — Start: 9:00 AM MST

All runners are expected to finish their respective distances well before dark.

What is the course direction for the 2026 edition?

⚠️ Important Notice: For the 2026 race, the course direction is CLOCKWISE. This is a change from previous years and differs from existing maps.

What are the route details for the 30K course?

The 30K course, titled "Legend of Bear Pete," is a clockwise loop with approximately 3,500 feet of elevation gain. The route begins at the Pete Creek Trailhead, crosses Lake Creek, and climbs through the forest to the Bear Pete Mountain ridge. Runners will summit Bear Pete Mountain (8,752') before descending through Frosty Meadows and Nethker Creek. The course includes an unmanned water station near 7,600' elevation and a manned aid station at Nethker Creek (Mile 13.5).

What are the route details for the 50K course?

The 50K course is a clockwise loop with approximately 6,000 feet of elevation gain. It follows the 30K course for the first ~15 miles before diverging at Jeanette Creek Campground. Key features include:

• →A 0.5-mile out-and-back climb to a mountain overlook via Crystal Mountain Road.
• →A climb through Jeanette Creek Trail reaching 8,000' elevation.
• →A 1.6-mile section on Forest Road #325.
• →The Willowtop Aid Station (manned) at Mile 24.1.
• →A descent via Willow Creek Trail with tight switchbacks.

Are there specific cutoffs for the 50K distance?

Yes, there is a key cutoff for 50K runners:

• →Participants must pass the Nethker Creek Aid Station (Mile 13.5) by 1:30 PM MST (representing a 5 hour and 30 minute run time).
• →Failure to meet this cutoff will result in the runner being converted to the 30K course.

Where can I find the aid station information?

A detailed spreadsheet regarding aid stations can be found at Google ↗.

Where can I find the course maps and GPX files?

GPX files are available through the Facebook Group pages for IMTUF100 and McCall Trailrunning Classic. These can be accessed under the "FILES" tab, and it is recommended to view them via a desktop or laptop.

What are the camping and lodging options near the event?

• →Free dispersed camping is available at the Pete Creek Trailhead and Campground (the start/finish location).
• →Additional free and paid camping is available in the surrounding area.
• →Lodging can be found at Burgdorf Hotsprings and Secesh Stage Stop.

What is the refund policy?

• →50% refund is available until June 1, 2026, at 11:59 PM.
• →No refunds are provided after June 1, 2026.
• →There are no bib rollovers or transfers allowed.
• →No refunds will be issued if the race is cancelled due to fire, severe weather, or other natural events; this risk is assumed upon registration.
• →Individuals facing personal financial hardship may contact the race director.