Hardrock 100 Endurance Run

The Hardrock 100 is an ultramarathon race that takes place in the San Juan Mountains of Colorado, USA. The race covers a distance of 100 miles (160 km) and has a total elevation gain of approximately 66,000 ft. The course includes steep climbs and descents, rocky trails, and high-altitude mountain passes, starting and ending in Silverton, CO. The race is considered one of the most challenging ultramarathons in the world due to its steep terrain, high altitude, and unpredictable weather conditions. The race is held annually in July, and the course is run clockwise, with runners given 48 hours to complete the race. The Hardrock 100 is considered one of the most prestigious and challenging ultramarathons in the world, and it is a bucket list race for many ultra-runners.