The sixth annual World's Toughest Half takes place in the scenic Sierra foothill town of Auburn, the Endurance Capital of the World. Enjoy the incredible beauty and challenge of this one-of-a-kind course in a convenient&hospitable town. We offer something different than bland routes with overcrowded fields common in our booming sport. Here you will enjoy a no hassles, grass roots feel, a true adventure into the Sierra and a focus on the athlete. Read the scrolling messages to see what other athletes have to say...The World's Toughest Half will be a weekend you never forget!