All available race results Dufrène
| Date | Race | Rank |
| 30/06 | Lyon - Marseille | 17 |
Rider information for 1912
| Rank | 843 |
| Score | 2 |
| Name | DUFRÈNE |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 30/06 | Lyon - Marseille | 17 |
| Rank | 843 |
| Score | 2 |
| Name | DUFRÈNE |
| Country | France |
| Team | Individual |