【ナイトラン】THE NIGHT CHALLENGE RACE TOYOSU 13【日本陸連公認】 2026

THE NIGHT CHALLENGE RACE TOYOSU 13 is a night running event in Koto Ward, Tokyo, offering races of 1.6 km, 5 km, 10 km, and 21.1 km. Scheduled for September, it provides short distances for casual runners and a half-marathon for those seeking a longer challenge. The start is in Koto Ward, the Tokyo bayside area that includes Toyosu. The event is certified by the Japan Association of Athletics Federations, aligning it with an official road-race format rather than a purely informal fun run.