All available race results Constant Piron
| Date | Race | Rank |
| 17/08 | Paris - Royan | 11 |
Rider information for 1895
| Rank | 412 |
| Score | 7 |
| Name | Constant PIRON |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 27/08 | Paris - Cabourg | 15 |
| 12/09 | Paris - Royan | 6 |
Rider information for 1896
| Rank | 284 |
| Score | 31 |
| Name | Constant PIRON |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 16/08 | Paris - Brest - Paris | 26 |
Rider information for 1901
| Rank | 73 |
| Score | 54 |
| Name | Constant PIRON |
| Country | France |
| Team | Individual |