Okayama International Circuit
美作市, Japan
Vehicle classes with recorded bests


Grand Prix Circuit (1990–present)
3.703 km · Matches this record layout
Arz · LicenseSelected championships · Super GT · Super Formula
Address
滝宮 1210 美作市, 岡山県, 701-2612 JapanLayouts & records
Records apply to Grand Prix Circuit (1990–present), 3.703 km. Historical configurations are kept separate.
All-time bests by vehicle class
Up to ten fastest vehicles per class, across all documented years. Each vehicle appears with its best supported time on this layout. Qualifying, race records and record attempts retain their original context.
Published circuit-record holders from the source table across all available years. A class may have fewer than ten documented vehicles; historical record progression is not exhaustive.
Sources checked Sep 11, 2026
1 of up to 10 · 1 documented vehicle best · All years
| # | Time | Year | Make | Vehicle / model | Variant / specification | Driver | Date | Vehicle class | Record evidence | Session | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 1:28.153 | Not stated | Yamaha | YZF-R1 | — | Katsuyuki Nakasuga | 2017 | Superbike | Published record | Race | Wikipedia circuit-record table |
Coverage is incomplete: these are the best supported entries in our sources, not a certified worldwide top ten. A published race-lap record may be slower than a qualifying or test lap. “Not stated” means the vehicle’s model year is unconfirmed. Exact catalogue matches link to vehicle pages; other vehicles retain their sourced names. Unresolved specifications remain separate.