| Year | Class/Event | Stephen Smeulders | Sipke Stapert | |
|---|---|---|---|---|
| 2003 | Open Sunfish Worlds | 43 | 12 | |
| 2004 | Open Sunfish Worlds | 38 | 39 | |
| 2006 | Sunfish Curacao Regatta - Cource race | Curacao (CUW) | 1 | 2 |
| 2006 | Sunfish Curacao Regatta - Special | Curacao (CUW) | 5 | 1 |
| 2006 | Open Sunfish Worlds | 33 | 60 | |
| 2007 | Sunfish Central and SA championship | Curacao (CUW) | 3 | 13 |
| 4 | 2 | |||