|The Tsukuba Circuit is one of the most popular race
circuits in Japan, located in a metropolitan area.The all-Japan motorcycle race championships were held there,
after the Tsukuba circuit was established in 1970.
Although the circuit is small (the total length is only 2,070 meters) the all-Japan touring car championships were also held there. These days, almost every week various races and events are held at the Tsukuba circuit.