The Official Hardrock Hundred Mile Endurance Run, or Hardrock 100, is an 100-mile ultramarathon run with 66,000 feet of elevation change at an average elevation of over 11,000 feet. The run is held on a loop course on 4WD roads, dirt trails, and cross country in the San Juan Mountain Range of Southern Colorado.

The Hardrock Hundred Mile Endurance Run is an ultramarathon 102.5 miles (165.0 km) in length, with 33,000 feet (10,000 m) of climb at an average elevation of over 11,000 feet (3,400 m).

Interested in running the Hardrock 100? Learn what it takes to qualify, enter the lottery and register for Hardrock.

The HARDROCK 100 is a mountain run that passes through some of the most beautiful and rugged mountains in the world. The course is closed. That means that runners are required to follow the specified route.

The Hardrock 100 route is a looped course, starting and finishing at the town of Silverton. It takes place across just over 100 miles (the official distance is 102.5 miles) throughout the San Juan Mountains, part of Colorado’s famous Rocky Mountains range.

Hardrock 100 Website: https://hardrock100.com/ Live GPS Tracking via MAProgress - https://hardrock100-2024.maprogress.com/ Near-Live Aid Splits & Pace Predictions from OpenSplitTime -...

The HARDROCK 100 is a mountain run that passes through some of the most beautiful and rugged mountains in the world. Four legs, linking the Lake City, Ouray, Telluride, and Silverton areas. The finish is in Silverton, the same location as the start.

The Hardrock Hundred Mile Endurance Run is an ultramarathon of 100.5 miles in length, plus 33,050 feet of climb and 33,050 feet of descent for a total elevation change of 66,100 feet, at an average elevation of over 11,000 feet.

The Hardrock Hundred Mile Endurance Run is an ultramarathon of 100 miles in length, plus 33,050 feet of climb and 33,050 feet of descent for a total elevation change of 66,100 feet, at an average elevation of over 11,000 feet.

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