All available race results Jan Landuyt
| Date | Race | Rank |
| 17/03 | Omloop Het Volk | 13 |
| Dwars door België | ||
| 06/04 | Stage 1 | 15 |
| 07/04 | Stage 2 | 13 |
| 21/04 | Paris - Roubaix | 15 |
| 26/05 | Gent - Wevelgem | 11 |
Rider information for 1946
| Rank | 191 |
| Score | 231 |
| Name | Jan LANDUYT |
| Country | Belgium |
| Team | Starnord - Wolber |
| Date | Race | Rank |
| 06/04 | Paris - Roubaix | 26 |
| Tour de Belgique | ||
| 13/05 | Stage 1 | 32 |
Rider information for 1947
| Rank | 352 |
| Score | 103 |
| Name | Jan LANDUYT |
| Country | Belgium |
| Team | Arbos - Talbot |
No results available in season 1948.
Rider information for 1948
| Rank | 1330 |
| Score | 0 |
| Name | Jan LANDUYT |
| Country | Belgium |
| Team | Celta |
| Date | Race | Rank |
| 18/04 | Elfstedenronde | 20 |
| 24/04 | Paris - Bruxelles | 76 |
Rider information for 1949
| Rank | 705 |
| Score | 31 |
| Name | Jan LANDUYT |
| Country | Belgium |
| Team | Celta |