Crazy Mountain 100

JUL
24
2026
Crazy Mountain 100 is a 100 mile point to point ultramarathon across Montana high alpine, with about 23,000 ft of gain and peaks near 10,200 ft. Rugged single track and off trail terrain make it a dramatic Hardrock and Western States qualifier for 200 runners.
Fri 24 Jul 2026
100 miles

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Event overview

Crazy Mountain 100 is a 100 mile point-to-point ultramarathon in Montana. The course is a qualifier for Hardrock and Western States. The route accumulates about 23,000 ft of vertical gain and reaches elevations up to 10,200 ft. The field is capped at 200 runners.

Course and logistics

The course is primarily single track with extreme technical ascents and descents. It includes long sections with no trail, two-track, occasional forest service road, scree fields, jagged cliffs, and high alpine lakes. The route crosses private ranches, public lands, and forest service areas. It also traverses the Indigenous lands of the Apsaalooke, where the range is called Awaxaawippíia.

The start is based near Wilsall, MT on ranch property and the finish is near Lennep, MT on Berg Road off Highway 294. The finish area provides camping along a creek and a post-race awards gathering.

Registration and entry

Entry fee is $435 (total with Ultrasignup fees listed as $466.77). Registration closes on Sun, Jul 19 (local time). Veterans may be eligible for a 10% discount with verification of military ID provided before registration opens. Organizers provide hand-engraved finisher buckles and limit entries to the stated cap. Visit the organization's website for the most recent information.

100 mi
100 Mile

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