All available race results H.J. Pijn
| Date | Race | Rank |
| 02/08 | Nederlands Kampioenschap | 10 |
Rider information for 1931
| Rank | 1129 |
| Score | 2 |
| Name | H.J. PIJN |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 02/08 | Nederlands Kampioenschap | 10 |
| Rank | 1129 |
| Score | 2 |
| Name | H.J. PIJN |
| Country | Netherlands |
| Team | Individual |