Kalendar Perlumbaan Litar Antarabangsa Okayama 2025
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 16 Februari - 16 Februari | Trofi Porsche Perlumbaan Piala Cabaran Selesai | Round 1 | |
| 12 April - 13 April | Siri Super GT Selesai | Round 1 | |
| 24 Mei - 25 Mei | PCCJ - Porsche Carrera Cup Jepun Selesai | Round 3, 4 & 5 | |
| 24 Mei - 25 Mei | Kejohanan Jepun Serantau Formula Selesai | Round 1 | |
| 21 Jun - 22 Jun | Cabaran Mini Jepun Selesai | Round 3 | |
| 8 Ogos - 10 Ogos | Cabaran Ferrari Jepun Selesai | Round 5 | |
| 29 Ogos - 31 Ogos | GTWC Asia - GT World Challenge Asia | Round 9 & 10 | |
| 29 Ogos - 31 Ogos | Siri Piala Jepun | Round 3 | |
| 27 September - 28 September | Formula Beat Regional Championship Series | Round 11 | |
| 25 Oktober - 26 Oktober | Siri Super Taikyu | Round 6 | Super Taikyu Race in Okayama |
| 29 November - 30 November | Trofi Porsche Perlumbaan Piala Cabaran | Round 2 | |
| 29 November - 30 November | TOYOTA GAZOO Racing GR86/BRZ Cup | Round 7 |