What is to be gained from running a 400-kilometre nonstop foot race through one of the most inhospitable deserts on the planet? Is there a benefit or just simply insanity? In this short film, ultra-running journalist Bryon Powell explores the reasons that compel this small group of athletes to place themselves in the middle of the Gobi Desert tracing parts of the historical Silk Road. “When you go out there in something like a 400km race there’s no chance not to strip away the veneer of what your personality is".