All available race results J. Wren
| Date | Race | Rank |
| 09/09 | Beverley - Perth | 7 |
Rider information for 1905
| Rank | 247 |
| Score | 11 |
| Name | J. WREN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 31/08 | Beverley - Perth | 20 |
Rider information for 1912
| Rank | 980 |
| Score | 0 |
| Name | J. WREN |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 18/10 | Beverley - Perth | 4 |
Rider information for 1913
| Rank | 409 |
| Score | 19 |
| Name | J. WREN |
| Country | Australia |
| Team | Individual |