All available race results W.A. Jefferson
| Date | Race | Rank |
| 28/09 | Warrnambool - Melbourne | 165 |
Rider information for 1907
| Rank | 778 |
| Score | 0 |
| Name | W.A. JEFFERSON |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 03/10 | Warrnambool - Melbourne | 179 |
Rider information for 1908
| Rank | 839 |
| Score | 0 |
| Name | W.A. JEFFERSON |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 02/10 | Warrnambool - Melbourne | 28 |
Rider information for 1909
| Rank | 1233 |
| Score | 0 |
| Name | W.A. JEFFERSON |
| Country | Australia |
| Team | Individual |