TT Circuit Assen 2015 Race Calendar
| Date | Racing Series | Round | Event Name |
|---|---|---|---|
| March 29 - March 29 | Porsche GT Cup Finished | Round 1 | |
| March 29 - March 29 | Porsche 944 Cup Finished | Round 1 | |
| July 7 - July 7 | Porsche Carrera Cup Benelux Finished | Round 3 | Porsche Day Netherlands |
| July 8 - July 8 | Porsche GT Cup Finished | Round 4 | |
| July 8 - July 8 | Porsche 944 Cup Finished | Round 4 |