Hardrock 100 Endurance Run
Silverton, Colorado, United States
Jul 10, 2026 - Friday
100mi, Ultra
Video
Race Information
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 run is held on a loop course on 4WD roads, dirt trails, and cross country in Southern Colorado's San Juan Range, USA
π Run Pick of the Month: Colorado Springs Marathon
πColorado Springs - Saturday October 3, 2026
πΈ SAVE 10% On Your Entry. Use Code RunGuides
π Why We Like This Run
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Scenic point-to-point course
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Multiple distances, including kids run
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Premium swag & finisher medals
Experience the ultimate running tour of Olympic City USA. Whether youβre chasing a personal best or crossing your first finish line, the Colorado Springs Marathon offers an unforgettable race day backdropped by the majestic Rockies.
We aren't kidding when we say this race is a local favorite. The Colorado Springs Marathon has sold out 5 years in a row! Don't be the one watching from the sidelines. Secure your spot on the starting line today and prepare to elevate your run.
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Race Facts
Race Size: 100 - 500
Elevation: Lots of Hills
Course Type: Trail
Boston Qualifier: No
Kids Run: No
Where to Stay
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