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Western States 100-mile Endurance Run

  • Squaw Valley, California (map)

The Western States 100-Mile Endurance Run is the world’s oldest 100-mile trail race. Starting in Squaw Valley, California near the site of the 1960 Winter Olympics and ending 100.2 miles later in Auburn, California, Western States, in the decades since its inception in 1974, has come to represent one of the ultimate endurance tests in the world.

Earlier Event: April 15
Boston Marathon
Later Event: August 10
Sweltering Summer Ultra 8-hr