All available race results G.T. Costello
| Date | Race | Rank |
| 05/10 | Warrnambool - Melbourne | 32 |
Rider information for 1929
| Rank | 1299 |
| Score | 0 |
| Name | G.T. COSTELLO |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 05/10 | Warrnambool - Melbourne | 32 |
| Rank | 1299 |
| Score | 0 |
| Name | G.T. COSTELLO |
| Country | Australia |
| Team | Individual |