Kalendar Perlumbaan Cincin Lembu Merah 2025
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 8 Mei - 10 Mei | Cabaran Porsche Sprint Eropah Tengah Selesai | Round 2 | |
| 22 Mei - 24 Mei | PSCS - Piala Sukan Porsche Suisse Selesai | Round 2 | |
| 22 Mei - 24 Mei | Porsche Sprint Challenge Suisse Selesai | Round 2 | |
| 27 Jun - 29 Jun | F1 Grand Prix Austria Selesai | Round 11 | Formula 1 MSC Cruises Austrian Grand Prix |
| 27 Jun - 29 Jun | Porsche Supercup Selesai | Round 4 | Formula 1 MSC Cruises Austrian Grand Prix |
| 27 Jun - 29 Jun | FIA Formula 2 Championship Selesai | Round 7 | Formula 1 MSC Cruises Austrian Grand Prix |
| 12 Julai - 13 Julai | Piala Sukan Porsche Jerman Selesai | Round 3 | ADAC Racing Weekend Spielberg |
| 12 Julai - 13 Julai | Cabaran Porsche Sprint Klasik Jerman Selesai | ||
| 5 September - 7 September | Siri Kereta TCR Europe Touring | ||
| 5 September - 7 September | Terbuka GT Antarabangsa | Round 6 | |
| 12 September - 14 September | Piala Prototaip Jerman | Round 6 | |
| 12 September - 14 September | PCCD - Piala Porsche Carrera Jerman | Round 7 | |
| 12 September - 14 September | Sarjana Kereta Pelancongan Jerman | Round 7 |