All available race results Dupon
| Date | Race | Rank |
| 27/04 | Nice - Course de fond | 3 |
Rider information for 1890
| Rank | 281 |
| Score | 23 |
| Name | DUPON |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 27/04 | Nice - Course de fond | 3 |
| Rank | 281 |
| Score | 23 |
| Name | DUPON |
| Country | France |
| Team | Individual |