All available race results Duffo
| Date | Race | Rank |
| Circuit du Midi | ||
| 25/08 | General Classification | 40 |
Rider information for 1929
| Rank | 1618 |
| Score | 0 |
| Name | DUFFO |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| Circuit du Midi | ||
| 25/08 | General Classification | 40 |
| Rank | 1618 |
| Score | 0 |
| Name | DUFFO |
| Country | France |
| Team | Individual |