All available race results Léon Poncin
| Date | Race | Rank |
| 29/03 | Nice - Mont Agel | 30 |
Rider information for 1931
| Rank | 1681 |
| Score | 0 |
| Name | Léon PONCIN |
| Country | France |
| Team | Individual |
| Date | Race | Rank |
| 29/03 | Nice - Mont Agel | 30 |
| Rank | 1681 |
| Score | 0 |
| Name | Léon PONCIN |
| Country | France |
| Team | Individual |