Tsukuba Circuit is a motorsport race track located in Shimotsuma, a neighboring city of Tsukuba, Ibaraki Prefecture, Japan, about 60 km north of central Tokyo. It is 2.045 km long, with 32 pit garages and a 437 m long back straight. There is a small chicane used only for motorcycle racing that increases the track's total length to 2.070 km.
Location: Shimotsuma, Ibaraki, Japan
Capacity: 8,500
Opened: 22 June 1970
Broke ground: 1966
Major events: Current: · MFJ Superbike · Former: · Japanese F3 (1994–2004) · JTCC (1985–1994)