All available race results John Duffas
| Date | Race | Rank |
| 14/08 | Six Days Aberdeen | 5 |
Rider information for 1880
| Rank | 121 |
| Score | 23 |
| Name | John DUFFAS |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 14/08 | Six Days Aberdeen | 5 |
| Rank | 121 |
| Score | 23 |
| Name | John DUFFAS |
| Country | Great Britain |
| Team | Individual |