Crazy Mountain 100

The Crazy Mountain 100 is a unique 100-mile ultra marathon 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. The course is primarily single track, with extreme technical descents and ascents, and long stretches without established trails. Hosted by local ranches, the race emphasizes inclusivity and aims to connect participants with the area's rich Indigenous history. With a cap of 200 runners, this challenging event promises an unforgettable experience amidst breathtaking landscapes. Visit the organization's website for the most recent information.