JPN

Okayama International Circuit

Aida, Japan

Length3.70 km2.30 mi
Turns13

Okayama International Circuit hosts MFJ Superbikes each September, the only motorcycle series the source documents at this 3.703 km private track in Mimasaka, Okayama Prefecture. The circuit opened in 1990 as a course for wealthy racing enthusiasts and was known as TI Circuit Aida until renamed in 2005. It also held the Formula One Pacific Grand Prix starting in 1994, though F1 details are secondary here given the venue's focus on club and national motorsport, including its bike championship dates.

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