All available race results Léon Castel
| Date | Race | Rank |
| Tour de Belgique amateur | ||
| 05/08 | Stage 1 | 6 |
| 15/08 | General Classification | 9 |
Rider information for 1906
| Rank | 728 |
| Score | 0 |
| Name | Léon CASTEL |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| Tour de Belgique amateur | ||
| 05/08 | Stage 1 | 6 |
| 15/08 | General Classification | 9 |
| Rank | 728 |
| Score | 0 |
| Name | Léon CASTEL |
| Country | Belgium |
| Team | Individual |