All available race results Duvoisin
| Date | Race | Rank |
| 12/09 | G.P. Sporting | 16 |
Rider information for 1920
| Rank | 409 |
| Score | 16 |
| Name | DUVOISIN |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 15/05 | Paris - La Flèche | 36 |
Rider information for 1921
| Rank | 1066 |
| Score | 0 |
| Name | DUVOISIN |
| Country | France |
| Team | Individual |