Race calendar
A provisional eight-round calendar was announced on 18 July 2025. [1] The championship will make its debut at Misano World Circuit, while the Red Bull Ring will not be part of the schedule for the first time since the 2018 season. [3] The season final at Circuit de Barcelona-Catalunya was later shifted by a week to 23–25 October. [4]
| Round | Circuit | Date | Support bill | Map of circuit locations | |
|---|---|---|---|---|---|
| 1 | R1 |  Algarve International Circuit, Portimão | 17–19 April | International GT Open GT Cup Open Europe | |
| R2 | |||||
| R3 | |||||
| 2 | R1 |  Circuit de Spa-Francorchamps, Stavelot | 15–17 May | International GT Open TCR Europe Touring Car Series GT Cup Open Europe Porsche Carrera Cup Germany | |
| R2 | |||||
| R3 | |||||
| 3 | R1 |  Misano World Circuit, Misano Adriatico | 5–7 June | International GT Open GT Cup Open Europe | |
| R2 | |||||
| R3 | |||||
| 4 | R1 |  Hungaroring, Mogyoród | 3–5 July | International GT Open TCR Europe Touring Car Series GB3 Championship | |
| R2 | |||||
| R3 | |||||
| 5 | R1 |  Circuit Paul Ricard, Le Castellet | 17–19 July | International GT Open E4 Championship GT Cup Open Europe | |
| R2 | |||||
| R3 | |||||
| 6 | R1 |  Hockenheimring, Hockenheim | 11–13 September | International GT Open GT Cup Open Europe | |
| R2 | |||||
| R3 | |||||
| 7 | R1 | Monza Circuit, Monza | 25–27 September | International GT Open TCR Europe Touring Car Series | |
| R2 | |||||
| R3 | |||||
| 8 | R1 |  Circuit de Barcelona-Catalunya, Montmeló | 23–25 October | International GT Open TCR Europe Touring Car Series GT Cup Open Europe | |
| R2 | |||||
| R3 | |||||
