Circuit Zolder 2021 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| April 30 - April 30 | Porsche RS Klasse Finished | Round 2 | |
| April 30 - April 30 | Porsche GT Cup Finished | Round 2 | |
| April 30 - April 30 | Porsche Boxster Cup Finished | Round 2 | |
| April 30 - April 30 | Porsche 944 Cup Finished | Round 2 | |
| May 8 - May 9 | Porsche Sprint Challenge Benelux Finished | Round 1 | New Race Festival |
| May 8 - May 9 | Porsche Endurance Trophy Benelux Finished | Round 1 | New Race Festival |
| August 6 - August 8 | Porsche Carrera Cup Benelux Finished | Round 4 | |
| August 6 - August 8 | Deutsche Tourenwagen Masters Finished | Round 3 | |
| August 6 - August 8 | Lotus Cup Europe Finished | Round 2 | |
| August 21 - August 22 | Porsche Endurance Trophy Benelux Finished | Round 3 | Historic Grand Prix Zolder |
| September 23 - September 26 | Porsche Endurance Trophy Benelux Finished | Round 4 | 24 Hours of Zolder |
| October 8 - October 10 | Porsche Endurance Trophy Benelux Finished | Round 5 | American Festival NASCAR Finals |