Get ready for an epic mountain adventure in Colorado's Sawatch range with this 101-mile loop that climbs a massive 23,500 feet through stunning alpine terrain. You'll traverse the Continental Divide and Colorado Trail, cross five mountain passes, explore two ghost towns, and experience some of the state's most beautiful single track while reaching elevations up to 13,100 feet. Organized by passionate, experienced runners, this race captures the true spirit of classic 100-milers and offers you a chance to join a thriving mountain running community.