All available race results W.J. Janse
| Date | Race | Rank |
| 08/07 | Nederlands Kampioenschap | 4 |
Rider information for 1917
| Rank | 231 |
| Score | 0 |
| Name | W.J. JANSE |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 11/03 | Den Haag - Brussel | 2 |
Rider information for 1923
| Rank | 456 |
| Score | 27 |
| Name | W.J. JANSE |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 16/03 | Den Haag - Brussel | 13 |
Rider information for 1924
| Rank | 997 |
| Score | 1 |
| Name | W.J. JANSE |
| Country | Netherlands |
| Team | Individual |