All available race results Piet Kettenis
| Date | Race | Rank |
| 10/04 | Ster van Zwolle | 10 |
Rider information for 1965
| Rank | 1588 |
| Score | 0 |
| Name | Piet KETTENIS |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 18/03 | Ster van Zwolle | 6 |
Rider information for 1967
| Rank | 1378 |
| Score | 0 |
| Name | Piet KETTENIS |
| Country | Netherlands |
| Team | Individual |