All available race results Frans de Vreng
| Date | Race | Rank |
| 12/07 | Nederlands Kampioenschap | 6 |
Rider information for 1923
| Rank | 576 |
| Score | 15 |
| Name | Frans DE VRENG |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 12/07 | Nederlands Kampioenschap | 6 |
| Rank | 576 |
| Score | 15 |
| Name | Frans DE VRENG |
| Country | Netherlands |
| Team | Individual |