All available race results J. O'Brien
| Date | Race | Rank |
| 01/10 | Warrnambool - Melbourne | 16 |
Rider information for 1910
| Rank | 643 |
| Score | 4 |
| Name | J. O'BRIEN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 01/10 | Warrnambool - Melbourne | 16 |
| Rank | 643 |
| Score | 4 |
| Name | J. O'BRIEN |
| Country | Australia |
| Team | Individual |