Races›United States›California›Western States 100
Olympic Valley, CA, seen from above
Saturday 26 June 2027

Western States 100

Olympic Valley, California · United States
UltraMountain100% trail

The original 100 miler from Olympic Valley to Auburn

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Course

Point-to-point 100-mile trail run from Olympic Valley, California to the finish track at Placer High School in Auburn. The route follows the Western States Trail through high country, wilderness and canyons, climbing more than 18,000 ft and descending nearly 23,000 ft, and includes a crossing of the Middle Fork of the American River. Aid stations are spaced throughout.

100 Mile100 mi

Key dates

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About

The Western States Endurance Run is the oldest 100-mile trail race in the world, tracing the historic Western States Trail from Olympic Valley near Lake Tahoe to the track in Auburn, California. Runners cross high country snow, scorching canyons and the American River en route to the coveted silver belt buckle.

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