All available race results J. Mast
| Date | Race | Rank |
| 21/09 | Nederlands Kampioenschap | 13 |
Rider information for 1913
| Rank | 958 |
| Score | 0 |
| Name | J. MAST |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 21/09 | Nederlands Kampioenschap | 13 |
| Rank | 958 |
| Score | 0 |
| Name | J. MAST |
| Country | Netherlands |
| Team | Individual |