Crazy Mountain 100

Course

A single 100-mile loop through the Crazy Mountains with roughly 23,000 feet of vertical gain, topping out around 10,200 feet. It is mostly single track, with extreme technical climbs and descents plus long sections of no trail, two-track and occasional forest service road. The field is capped at 200.

Key dates

• ·
  Registration
  Not open yet
• ★
  Race day
  July 2027 · date to be announced

About

Crazy Mountain 100 is a 100-mile ultramarathon through Montana's remote Crazy Mountains, starting near Wilsall.

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