Hardrock 100 Endurance Run

Experience the ultimate challenge with the Hardrock Hundred Mile Endurance Run, an ultramarathon set in the stunning San Juan Range of Southern Colorado. This intense 100-mile loop course will have you conquering a total elevation change of 66,100 feet, with breathtaking views at an average elevation of over 11,000 feet. The course includes a mix of 4WD roads, dirt trails, and rugged cross country terrain, pushing your endurance to the limit while testing your mountaineering, wilderness survival, and navigation skills.