All available race results Leon Mencin
| Date | Race | Rank |
| 30/08 | Paris - Longwy | 11 |
Rider information for 1925
| Rank | 738 |
| Score | 10 |
| Name | Leon MENCIN |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 30/08 | Paris - Longwy | 11 |
| Rank | 738 |
| Score | 10 |
| Name | Leon MENCIN |
| Country | France |
| Team | Individual |