The Tokyo-Hakone Round-Trip College Ekiden Race or "Hakone Ekiden," one of the biggest university marathon relay races in Japan. The race is held every year on January 2-3 and goes between Tokyo and Hakone and back, for a total run of of nearly 217.9 km A friendship between two sidelined athletes helps them return to their beloved sport and build a team for a competitive long-distance relay race. Source: ANN