“She’s a physically gifted athlete, but it’s her head game that sets Dauwalter apart, even in the world of titanium-minded endurance specialists. Soul-crushing landscapes and dog-shit weather don’t even count as annoyances to her. Swirling intestines, hallucinations, a sleep-starved brain struggling with basic cognition, quads so swollen they appeared to be swallowing her kneecaps—her response to this sort of agony is to wonder how much farther she can go.” Deadspin: Ultrarunner Courtney Dauwalter Takes On The World’s Most Sadistic Endurance Race.

+ This race is put on by the same maniac who created the Barkley Marathons, which is chronicled is this great documentary.