Western States Endurance Run
Olympic Valley, United States • 27-28 Jun 2026
Western States 100-Mile Endurance Run
The Western States 100-Mile Endurance Run is a 100.2-mile trail race from Olympic Valley, California (Palisades Tahoe Resort) to Auburn, California (Placer High School track). The 2026 race date is June 27-28, 2026. Lottery registration for the event runs November 1-21, 2025, with the lottery drawing on December 6, 2025.
Course, awards, and trail work
The course traverses traditional lands of the Nisenan, Washoe, and other neighboring Indigenous Peoples. Runners climb more than 18,000 feet and descend nearly 23,000 feet. Key sections named in the course description include Emigrant Pass, the Granite Chief Wilderness, a crossing of the Middle Fork of the American River, and historic trails through California gold country. The event reports the support of more than 1,500 volunteers on race day.
The Western States organization lists two time-based awards: a silver belt buckle for finishing under 24 hours and a bronze belt buckle for finishing under 30 hours. A Granite Chief Wilderness trail reroute project will add over 7 miles of new and rehabilitated trail; construction began in 2023 with planned openings of a significant portion in 2026 and the remainder in 2028. Visit the organization's website for the most recent information.