Okayama International Circuit 2023 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| February 19 - February 19 | Challenge Cup Race Porsche Trophy Finished | Round 1 | |
| April 15 - April 16 | PCCJ - Porsche Carrera Cup Japan Finished | Round 1 & 2 | |
| April 15 - April 16 | Super GT Series Finished | Round 1 | Okayama GT 300km Race |
| June 10 - June 11 | TCR Japan Touring Car Series Finished | Round 2 | |
| June 10 - June 11 | Formula Regional Japanese Championship Finished | Round 3 | |
| June 24 - June 25 | Challenge Cup Race Porsche Trophy Finished | Round 2 | |
| June 24 - June 25 | Mini Challenge Japan Finished | Round 3 | |
| August 17 - August 20 | GTWC Asia - GT World Challenge Asia Finished | ROUND 9 & 10 | ROUND 9 & 10 |
| August 18 - August 20 | Japan Cup Series Finished | Round 4 | Fanatec Japan Cup |
| October 21 - October 22 | Super Taikyu Series Finished | Round 6 | Super Taikyu Race in Okayama |
| December 9 - December 10 | Challenge Cup Race Porsche Trophy Finished | Round 3 |