Keiokaku Velodrome

, also known as TOKYO OVAL KEIOKAKU, is a velodrome located in Chōfu, Tokyo that conducts pari-mutuel Keirin racing - one of Japan's four authorized where gambling is permitted. Its Keirin identification number for betting purposes is 27# (27 sharp).

Keiokaku's oval is 400 meters in circumference. A typical keirin race of 2,025 meters consists of five laps around the course.

See also List of cycling tracks and velodromes