All available race results W. de Jager
| Date | Race | Rank |
| 28/07 | Nijmegen - Roermond - Nijmegen | 17 |
Rider information for 1912
| Rank | 1111 |
| Score | 0 |
| Name | W. DE JAGER |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 24/07 | Nederlands Kampioenschap | 14 |
Rider information for 1916
| Rank | 154 |
| Score | 0 |
| Name | W. DE JAGER |
| Country | Netherlands |
| Team | Individual |