Tahoe Rim Trail Endurance Runs

Carson City, United States • 18-19 Jul 2026

Tahoe Rim Trail Endurance Runs - July 18-19, 2026

The Tahoe Rim Trail Endurance Runs is a multi-distance trail event held on and around the Tahoe Rim Trail and nearby public lands. The program for 2026 includes the following distances:

  • 100 Mile
  • 100K
  • 50K
  • 23K

The 100K and 100 Mile events have published time cutoffs: a 20 hour cutoff for the 100K and a 36 hour cutoff for the 100 Mile. The event is an ITRA member and awards qualifier points: 5 points for the 100 Mile, 4 points for the 100K, and 3 points for the 50K. A past edition reported about 18,000 feet of elevation gain and loss over the 100 mile course and an average elevation near 8,300 feet.

Permits and land use involve state park, national forest, ski area, college, and city open space agencies. The event is organized as a 501(c)(3) nonprofit; net proceeds support local trail maintenance, backcountry patrols, youth and community programs, and regional charitable organizations. Photography and event media have been produced for multiple editions. Hosts and partners include a local running club and several outdoor brands and community organizations. Visit the organization's website for the most recent information.

Race information

100 mi
100 Mile
100 km
100k
50 km
50k
23 km
23k
Visit the organization's website for the most recent information.
Trail runs nearby

Trail races based at Spooner Lake in Lake Tahoe Nevada State Park. The Marlette 50K covers about 30 miles of Sierra single track with Marlette Lake at mid course while the 10 Miler is a round trip to Marlette Lake.

Peak bagging in Desolation Wilderness with routes to 21 peaks, unmarked off trail navigation, talus and scrambling, creek crossings, and a 30 hour limit.

A community run in Tahoe Vista with a 5K and a 1 mile fun run across grass fields, paved bike paths and park trails. Parking and a participant hat are included, and proceeds support a park nonprofit.

A USATF sanctioned trail 5k at Hidden Valley Regional Park in Reno on September 5, 2026. Proceeds benefit Azteca FC and all participants receive a shirt, finisher medal, and sticker.

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