Ultramarathon

Hardrock 100

Hardrock 100 is a 101.8-mile San Juan Mountains loop from Silverton with 33,441 feet of climbing, high passes, and a remote alpine finish at the rock.

Next raceFriday, July 9, 2027
Distance categoryUltramarathon
LocationSilverton, Colorado
Get alertsLast checked August 4, 2026
Latest results

Who won the 2026 Hardrock 100?

Ludovic Pommeret won the 2026 Hardrock 100 in a Hardrock-record 21:11:36 at race age 50. Courtney Dauwalter was the first woman and fifth overall in 26:03:10.

View 2026 results and finisher details

Quick facts

  • 101.8-mile San Juan Mountains loop from Silverton.
  • About 33,441 feet each of climbing and descending, with high points over 14,000 feet.
  • Lottery-driven field and remote aid-station logistics make planning unusually important.
  • Altitude, exposed passes, and storm risk make mountain experience essential.

About the Hardrock 100

The Hardrock 100 is one of North America's most selective mountain ultras, circling the San Juan Mountains from Silverton. The 101.8-mile loop is defined by high passes, remote aid-station logistics, and unusually deep mountain experience requirements.

Course

The loop travels through Silverton, Lake City, Ouray, and Telluride country, with long climbs, technical descents, and extended time above treeline. The route lists 33,441 feet of ascent and descent, with an average elevation near 11,000 feet.

Race-day weather

July in the San Juans can shift from cool sunrise conditions to strong alpine sun, hail, and nighttime cold. Runners should expect altitude, exposed passes, and mountain storms to shape pacing more than flat mileage.

Past Hardrock 100 dates and results

YearDateStatusResults
2027Friday, July 9, 2027Upcoming
2026Friday, July 10, 2026CompletedOpen results
2025Friday, July 11, 2025CompletedOpen results
2024Friday, July 12, 2024CompletedOpen results

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Hardrock 100 FAQ

When is the Hardrock 100?

The 2027 Hardrock 100 is on Friday, July 9, 2027.

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