Kalendar Perlumbaan Litar Antarabangsa Okayama 2025
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 16 Februari - 16 Februari | Challenge Cup Race Porsche Trophy Selesai | Round 1 | |
| 12 April - 13 April | Super GT Series | Round 1 | |
| 24 Mei - 25 Mei | Porsche Carrera Cup Jepun | Round 2 | |
| 21 Jun - 22 Jun | Mini Challenge Japan | Round 3 | |
| 8 Ogos - 10 Ogos | Ferrari Challenge Japan | Round 5 | Round 5 |
| 29 Ogos - 31 Ogos | Fanatec GT World Challenge Asia | Round 9 & 10 | |
| 29 Ogos - 31 Ogos | Siri Piala Jepun | Round 3 | |
| 25 Oktober - 26 Oktober | Super Taikyu Series | Round 6 | Super Taikyu Race in Okayama |
| 29 November - 30 November | Challenge Cup Race Porsche Trophy | Round 2 |