All available race results Léon Dernier
| Date | Race | Rank |
| 11/10 | Championnat de Belgique sur route | 7 |
Rider information for 1891
| Rank | 680 |
| Score | 10 |
| Name | Léon DERNIER |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 29/05 | Liège - Bastogne - Liège | 12 |
Rider information for 1892
| Rank | 81 |
| Score | 103 |
| Name | Léon DERNIER |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 20/08 | Huy - Namur - Huy - Amay - Huy | 7 |
| 01/10 | Match Liège vs. Antwerpen | 10 |
Rider information for 1893
| Rank | 511 |
| Score | 0 |
| Name | Léon DERNIER |
| Country | Belgium |
| Team | Individual |