【荒川】THE CHALLENGE RACE 36｜日本陸連公認レース

THE CHALLENGE RACE is a Japan Association of Athletics Federations certified road race held on the Arakawa riverbed, starting and finishing near Arakawa Toda Bridge Athletics Stadium in Itabashi City, Tokyo. The event is presented as an exceptionally fast course, using one of the flattest sections of the Arakawa river area and emphasizing conditions suited to runners pursuing strong performances and personal goals. Its concept is built around helping runners realize their targets, from newer participants to highly competitive athletes. A distinctive feature is the extensive pacer setup, with multiple pace groups organized to support different performance levels. The race also highlights practical runner support on course, including regular drink stations and food support, while its start procedure is designed so participants can keep warming up until shortly before lining up. The event is part of a broader annual series with links to partner races and recognition through marathon-related programs, giving it a competitive identity beyond a single local race. Overall, the race is positioned as a record-focused, efficiently organized event for runners who want a certified, flat, well-supported course in Tokyo’s Arakawa river environment.