All available race results Jan Woldendorp
| Date | Race | Rank |
| 02/08 | Nederlands Kampioenschap | 15 |
Rider information for 1931
| Rank | 1611 |
| Score | 0 |
| Name | Jan WOLDENDORP |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 02/08 | Nederlands Kampioenschap | 15 |
| Rank | 1611 |
| Score | 0 |
| Name | Jan WOLDENDORP |
| Country | Netherlands |
| Team | Individual |