Events

The Western States Endurance Run is the world's oldest and most prestigious 100-mile trail race, traversing the rugged Sierra Nevada mountains from Olympic Valley to Auburn, California. Course Highlights The Western States Endurance Run (WSER) follows the middle portion of the historic Western States Trail, a nationally dedicated recreational trail that stretches across the Sierra Nevada. The race begins at the west end of Olympic Valley, the site of the 1960 Winter Olympic Games, and immediately subjects runners to a […]

The Western States 100-Mile Endurance Run is the world's oldest and most prestigious 100-mile trail race, traversing the rugged Sierra Nevada mountains from Olympic Valley to Auburn, California. Course Highlights The course begins at Olympic Valley, climbing 2,550 feet in the first 4.5 miles to Emigrant Pass. From there, runners traverse the high country of the Granite Chief Wilderness, following the historic Western States Trail. The route plunges into the deep, sweltering canyons of the American River drainage, passing through […]