Circuit Zolder 2021 Løbs Kalender
| Dato | Racerserie | Runde | Begivenhedsnavn |
|---|---|---|---|
| 30 april - 30 april | Porsche RS klasse Afsluttet | Round 2 | |
| 30 april - 30 april | Porsche GT Cup Afsluttet | Round 2 | |
| 30 april - 30 april | Porsche Boxster Cup Afsluttet | Round 2 | |
| 30 april - 30 april | Porsche 944 Cup Afsluttet | Round 2 | |
| 8 maj - 9 maj | Porsche Sprint Challenge Benelux Afsluttet | Round 1 | New Race Festival |
| 8 maj - 9 maj | Porsche Endurance Trophy Benelux Afsluttet | Round 1 | New Race Festival |
| 6 august - 8 august | Porsche Carrera Cup Benelux Afsluttet | Round 4 | |
| 6 august - 8 august | Tyske Touring Car Masters Afsluttet | Round 3 | |
| 6 august - 8 august | Lotus Cup Europa Afsluttet | Round 2 | |
| 21 august - 22 august | Porsche Endurance Trophy Benelux Afsluttet | Round 3 | Historic Grand Prix Zolder |
| 23 september - 26 september | Porsche Endurance Trophy Benelux Afsluttet | Round 4 | 24 Hours of Zolder |
| 8 oktober - 10 oktober | Porsche Endurance Trophy Benelux Afsluttet | Round 5 | American Festival NASCAR Finals |