Kalendar Perlumbaan Litar Antarabangsa Chang 2025
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 25 Mac - 19 Mac | TSS - Thailand Super Series Selesai | Test Days | |
| 4 April - 6 April | Super Turbo Thailand Selesai | Round 1 & 2 | |
| 16 Mei - 18 Mei | Super Turbo Thailand Selesai | Round 3 & 4 | |
| 23 Mei - 25 Mei | TSS - Thailand Super Series Selesai | Event 1 | |
| 23 Mei - 25 Mei | F4SEA - Kejohanan F4 Asia Tenggara Selesai | Round 2 | |
| 23 Mei - 25 Mei | PSTT - Porsche Sprint Trophy Thailand Selesai | Round 1 | |
| 30 Mei - 1 Jun | GTWC Asia - GT World Challenge Asia Selesai | Round 5 & 6 | |
| 11 Julai - 13 Julai | Super Turbo Thailand Selesai | Round 5 & 6 | |
| 11 Julai - 13 Julai | TCR SEA - TCR South East Asia Championship Selesai | Round 5 & 6 | |
| 1 Ogos - 3 Ogos | TCR SEA - TCR South East Asia Championship Selesai | Round 7 & 8 | |
| 11 September - 14 September | Piala Wanita Siri Toyota Vios | Round 3 | |
| 31 Oktober - 2 November | TSS - Thailand Super Series | Event 5 | |
| 31 Oktober - 2 November | PSTT - Porsche Sprint Trophy Thailand | Round 5 | |
| 18 Disember - 21 Disember | Piala Wanita Siri Toyota Vios | Round 5 |