All available race results W.H. Costello
| Date | Race | Rank |
| 06/09 | Barnet Glass Road Race | 28 |
Rider information for 1919
| Rank | 595 |
| Score | 0 |
| Name | W.H. COSTELLO |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 06/09 | Barnet Glass Road Race | 28 |
| Rank | 595 |
| Score | 0 |
| Name | W.H. COSTELLO |
| Country | Australia |
| Team | Individual |