Western States Endurance Run

Olympic Valley, United States • 28 Jun 2025

The Western States 100 Endurance Run is a prestigious ultramarathon that covers a challenging 100-mile course along the historic Western States Trail, stretching from Olympic Valley, California, to Auburn. This iconic race, known for its demanding terrain, features significant elevation changes, including a climb from 6,200 feet to 8,750 feet at Emigrant Pass. Participants face a total ascent of 15,540 feet and a descent of 22,970 feet, navigating through remote and rugged landscapes. The event is a true test of endurance and skill, attracting ultrarunners from around the world who seek to conquer this ultimate challenge. Visit the organization's website for the most recent information.

Race information

100 mi
2550 m+
100 Miler
Visit the organization's website for the most recent information.
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