All available race results Henry George O'Callaghan
| Date | Race | Rank |
| 30/08 | Warrnambool - Melbourne | 1 |
Rider information for 1902
| Rank | 126 |
| Score | 37 |
| Name | Henry George O'CALLAGHAN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 22/09 | Warrnambool - Melbourne | 7 |
Rider information for 1906
| Rank | 238 |
| Score | 18 |
| Name | Henry George O'CALLAGHAN |
| Country | Australia |
| Team | Individual |