All available race results W. Flack
| Date | Race | Rank |
| 30/09 | Warrnambool - Melbourne | 17 |
Rider information for 1905
| Rank | 310 |
| Score | 2 |
| Name | W. FLACK |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 22/09 | Warrnambool - Melbourne | 30 |
Rider information for 1906
| Rank | 443 |
| Score | 0 |
| Name | W. FLACK |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 02/10 | Warrnambool - Melbourne | 85 |
Rider information for 1909
| Rank | 1195 |
| Score | 0 |
| Name | W. FLACK |
| Country | Australia |
| Team | Individual |