Kalendaryo ng Karera Okayama International Circuit 2023
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 19 Pebrero - 19 Pebrero | Challenge Cup Race Porsche Trophy Natapos | Round 1 | |
| 15 Abril - 16 Abril | PCCJ - Porsche Carrera Cup Japan Natapos | Round 1 & 2 | |
| 15 Abril - 16 Abril | Serye ng Super GT Natapos | Round 1 | Okayama GT 300km Race |
| 10 Hunyo - 11 Hunyo | TCR Japan Touring Car Series Natapos | Round 2 | |
| 10 Hunyo - 11 Hunyo | Formula Regional Japanese Championship Natapos | Round 3 | |
| 24 Hunyo - 25 Hunyo | Challenge Cup Race Porsche Trophy Natapos | Round 2 | |
| 24 Hunyo - 25 Hunyo | Mini Challenge Japan Natapos | Round 3 | |
| 17 Agosto - 20 Agosto | GTWC Asia - GT World Challenge Asia Natapos | ROUND 9 & 10 | Fanatec Japan Cup |
| 18 Agosto - 20 Agosto | Serye ng Japan Cup Natapos | Round 4 | Fanatec Japan Cup |
| 21 Oktubre - 22 Oktubre | Serye ng Super Taikyu Natapos | Round 6 | Super Taikyu Race in Okayama |
| 9 Disyembre - 10 Disyembre | Challenge Cup Race Porsche Trophy Natapos | Round 3 |