Western States Endurance Run
Olympic Valley, United States • 28 Jun 2025
The Western States 100 Endurance Run is a prestigious ultramarathon that covers 100 miles along the historic Western States Trail, stretching from Olympic Valley, California, to Auburn. Known for its challenging terrain, the race features significant elevation changes, including a climb from 6,200 feet to 8,750 feet at Emigrant Pass. The event is recognized as one of the toughest ultrarunning challenges in the United States, attracting elite runners from around the world. Participants must navigate through remote and rugged landscapes, making it essential for them to prepare adequately for the demanding course. Visit the organization's website for the most recent information.