All available race results Leon de Lathouwer
| Date | Race | Rank |
| 13/08 | Olympic Games London - Road Race | 4 |
Rider information for 1948
| Rank | 259 |
| Score | 200 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 20/08 | World Championships Road Race (Amateurs) | 9 |
Rider information for 1949
| Rank | 644 |
| Score | 37 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Individual |
No results available in season 1950.
Rider information for 1950
| Rank | 830 |
| Score | 19 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Alcyon - Dunlop |
| Date | Race | Rank |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 30 |
| 29/07 | Scheldeprijs - Schoten | 15 |
Rider information for 1952
| Rank | 826 |
| Score | 16 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Van Hauwaert |
| Date | Race | Rank |
| 08/03 | Omloop Het Volk | 28 |
| 03/05 | Liège - Bastogne - Liège | 32 |
Rider information for 1953
| Rank | 353 |
| Score | 99 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Van Hauwaert |
| Date | Race | Rank |
| 09/05 | Liège - Bastogne - Liège | 29 |
Rider information for 1954
| Rank | 417 |
| Score | 65 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Van Hauwaert - Maes Pils |
No results available in season 1955.
Rider information for 1955
| Rank | 388 |
| Score | 100 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Van Hauwaert - Maes Pils |
| Date | Race | Rank |
| 18/03 | Elfstedenronde | 27 |
Rider information for 1956
| Rank | 810 |
| Score | 12 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Faema - Guerra - Van Hauwaert |
No results available in season 1957.
Rider information for 1957
| Rank | 490 |
| Score | 53 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Dossche Sport |
| Date | Race | Rank |
| 22/04 | Nokere Koerse | 20 |
| 03/05 | Harelbeke - Antwerpen - Harelbeke | 16 |
Rider information for 1958
| Rank | 512 |
| Score | 62 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Dossche Sport |
No results available in season 1959.
Rider information for 1959
| Rank | 1172 |
| Score | 0 |
| Name | Leon DE LATHOUWER |
| Country | Belgium |
| Team | Dossche Sport |