Kalendaryo ng Karera Okayama International Circuit 2021
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 10 April - 11 April | Porsche Carrera Cup Japan Natapos | R01 & R02 | |
| 13 June - 13 June | Porsche Sprint Challenge Japan Natapos | ||
| 3 October - 3 October | Mini Challenge Japan Natapos | Round 4 |