All available race results G. Mackrodt
| Date | Race | Rank |
| 03/10 | Warrnambool - Melbourne | 85 |
Rider information for 1908
| Rank | 777 |
| Score | 0 |
| Name | G. MACKRODT |
| Country | Australia |
| Team | Individual |
| Date | Race | Rank |
| 27/08 | Cycle Traders' 100 | 10 |
| 01/10 | Warrnambool - Melbourne | 66 |
Rider information for 1910
| Rank | 536 |
| Score | 7 |
| Name | G. MACKRODT |
| Country | Australia |
| Team | Individual |