All available race results J.A. Markby
| Date | Race | Rank |
| 14/10 | Warrnambool - Melbourne | 54 |
Rider information for 1922
| Rank | 1013 |
| Score | 0 |
| Name | J.A. MARKBY |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 27/10 | Warrnambool - Melbourne | 24 |
Rider information for 1923
| Rank | 1122 |
| Score | 0 |
| Name | J.A. MARKBY |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 11/10 | Warrnambool - Melbourne | 44 |
Rider information for 1924
| Rank | 1151 |
| Score | 0 |
| Name | J.A. MARKBY |
| Country | Australia |
| Team | Individual |