Ultrarunner Courtney Dauwalter Takes On The World's Most Sadistic Endurance Race
Ultrarunner Courtney Dauwalter Takes On The World's Most Sadistic Endurance Race
Big's Backyard Ultra has no known finish line. The race goes on, day and night — a 4.16-mile loop every single hour — until only one runner remains. A woman had never made it more than 121 miles, until Courtney Dauwalter took it on.
November 9, 2018 at 10:08AM
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