Kalendaryo ng Karera Circuit Zolder 2015
| Petsa | Serye ng Karera | Biluhaba | Pangalan ng Kaganapan |
|---|---|---|---|
| 19 Mayo - 19 Mayo | Porsche 944 Cup Natapos | Round 3 | |
| 6 Hunyo - 7 Hunyo | Porsche Carrera Cup Benelux Natapos | Round 2 | |
| 21 Agosto - 23 Agosto | Porsche Club Historic Challenge Natapos | Round 6 | Zolder Historic Super Prix |
| 3 Setyembre - 3 Setyembre | Porsche Carrera Cup Benelux Natapos | Round 4 | Porsche Day Belgium |
| 18 Setyembre - 20 Setyembre | Lotus Cup Europa Natapos | Round 6 | Belgian Truck Grand Prix |