All available race results P.J. O'Brien
| Date | Race | Rank |
| 30/08 | Warrnambool - Melbourne | 60 |
Rider information for 1904
| Rank | 375 |
| Score | 0 |
| Name | P.J. O'BRIEN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 22/09 | Warrnambool - Melbourne | 121 |
Rider information for 1906
| Rank | 468 |
| Score | 0 |
| Name | P.J. O'BRIEN |
| Country | Australia |
| Team | Individual |