A closed loop of 101.8 miles that starts and finishes in Silverton and links Lake City, Ouray and Telluride. It climbs 33,441 feet and descends the same, averaging about 11,000 feet in altitude with a high point of 14,048 feet. Most of it is on trail, with 14 aid stations and long stretches where you carry your own supplies. Expect wet feet, snow fields, exposed ridges and storms above treeline. Places are awarded by lottery, and the organiser sets qualifying requirements for entrants.
Route from Hardrock Hundred Mile Endurance Run.
Map © Mapbox © OpenStreetMap.
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Typical weather
Historical averages for this place and date.
Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.