All available race results J.F. Rosengren
| Date | Race | Rank |
| 26/09 | Warrnambool - Melbourne | 68 |
Rider information for 1930
| Rank | 1236 |
| Score | 0 |
| Name | J.F. ROSENGREN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 26/09 | Warrnambool - Melbourne | 68 |
| Rank | 1236 |
| Score | 0 |
| Name | J.F. ROSENGREN |
| Country | Australia |
| Team | Individual |