The marathon monks of Enryakuji, a historic Buddhist temple complex in Japan, are famous for a grueling physical and spiritual challenge that’s been called the world’s toughest ultramarathon. Enryakuji was built on Mount Hiei, overlooking Kyoto. Mount Hiei is covered by lush forests and winding trails. It is the headquarters of the Tendai school of Japanese Buddhism. And for centuries the monks of Enryakuji have walked, jogged, and run those trails as part of a tradition called kaihogyo, the “practice... Read more