Keiokaku Velodrome (京王閣競輪場, Keiōkaku Keirinjyō), 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 "Public Sports" (公営競技, kōei kyōgi) 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.

• List of cycling tracks and velodromes

• TOKYO OVAL KEIOKAKU Home Page (Japanese)
• keirin.jp Keiokaku Information (Japanese)

35°38′36″N 139°32′01″E / 35.643238°N 139.533625°E / 35.643238; 139.533625