Crazy Mountain 100
Lennep, United States • 25 Jul 2025
The Crazy Mountain 100 is a challenging 100-mile ultra marathon set in the rugged terrain of Montana, featuring approximately 23,000 feet of vertical gain. This point-to-point race, which serves as a qualifier for the Western States, includes extreme technical descents and ascents, with long stretches of unmarked trails. Participants will traverse private ranches and Indigenous lands, offering a unique glimpse into the area's rich history.
The event is designed to be inclusive, welcoming all who seek the challenge. With a cap of 200 runners, early registration is encouraged. The race culminates in a post-race celebration at the finish line. Visit the organization's website for the most recent information.