| Boxster Cup | 2019 | |
| # | Rijders |
| 1 | Wilbert Groenewoud |
| 2 | Jan-Wouter Offringa |
| 3 | Alain de Jong |
| 4 | Robert Vaesen |
| 5 | Jos Iske |
| Boxster Cup | 2018 | |
| # | Rijders |
| 1 | Nick Geelen |
| 2 | Albert Jonkman |
| 3 | Wilbert Groenewoud |
| 4 | Rudy Sluiter |
| 5 | Raceteam Jopie |
| 6 | John Hurenkamp |
| 7 | Sluiter/Pandelaar |
