All available race results D. de Klerk
| Date | Race | Rank |
| 02/07 | Nederlands Kampioenschap | 12 |
Rider information for 1911
| Rank | 1211 |
| Score | 0 |
| Name | D. DE KLERK |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 02/07 | Nederlands Kampioenschap | 12 |
| Rank | 1211 |
| Score | 0 |
| Name | D. DE KLERK |
| Country | Netherlands |
| Team | Individual |