Kalendaryo ng Karera TT Circuit Assen 2025
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 18 Marso - 18 Marso | BMW Racing Cup Natapos | Round 1 | |
| 3 Hunyo - 3 Hunyo | BMW Racing Cup Natapos | Round 4 | |
| 9 Hulyo - 12 Hulyo | Porsche Sprint Challenge Benelux Natapos | Round 2 | |
| 8 Agosto - 10 Agosto | Porsche Carrera Cup Benelux Natapos | Round 4 | JACK'S Racing Day |
| 10 Setyembre - 10 Setyembre | Porsche RS Class Natapos | Round 5 | |
| 10 Setyembre - 10 Setyembre | Porsche GT4 Cup Natapos | Round 5 | |
| 10 Setyembre - 10 Setyembre | Porsche GT Cup Natapos | Round 5 | |
| 10 Setyembre - 10 Setyembre | Porsche Cayman Cup Natapos | Round 5 | |
| 10 Setyembre - 10 Setyembre | Porsche Boxster Cup Natapos | Round 5 | |
| 10 Setyembre - 10 Setyembre | Porsche 944 Cup Natapos | Round 5 | |
| 26 Setyembre - 27 Setyembre | Porsche Club Historic Challenge Sa 13 araw | Round 5 | ADAC Racing Weekend Assen |