Hardrock 100 Endurance Run

11 Jul 2025 (Fri)

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160.93km

Hardrock 100 Endurance Run

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Join Hardrock 100 Endurance Run

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. The race is held on a loop course on 4WD roads, dirt trails, and cross country in Southern Colorado’s San Juan Range, USA.

This course offers a graduate level challenge for endurance runs. The course is designed to provide extreme challenges in altitude, steepness, and remoteness. Mountaineering, wilderness survival and wilderness navigation skills are as important in this event as your endurance.

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Route map

directions_runStart address: Silverton,us

flagFinish address: Silverton,us

Hardrock 100 Endurance Run Route Map

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Hardrock 100 Endurance Run

local_activity Deals & discounts

verified_user Refundable Booking option

credit_card Secure payments

The race information has been found on the official website of the event or through publicly available sources. Always refer to the official website the latest race information. Please let us know if any data is wrong or missing, by emailing us.