A basou (running track) can be made in one of two ways: by laying a strip of turf measuring about 1 jo (about 3 meters) in width inside a track measuring about 2.5 jo (about 7.5 meters) in width; or by running a length of rope along either side of the track and covering the area inside with sand.
広さ2杖半ほどのなかに幅1杖の芝をはるか、または縄をはって、中に砂をまいて馬走とする。