Crazy Mountain 100

The Crazy Mountain 100 is a unique 100-mile ultramarathon set in the rugged Crazy Mountain Range of Montana, featuring approximately 23,000 feet of vertical gain. As the only 100-mile event in the state, it serves as a qualifier for the Western States race. The course is primarily single track, with extreme technical descents and ascents, and long stretches without established trails.

Participants will experience the breathtaking beauty of Indigenous lands and family-owned ranches. The event emphasizes inclusivity and aims to leave runners with a profound connection to the wild landscape. Registration is limited to 200 runners. Visit the organization's website for the most recent information.