All available race results Joseph Claessen
No results available in season 1943.
Rider information for 1943
| Rank | 601 |
| Score | 1 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Individual |
No results available in season 1944.
Rider information for 1944
| Rank | 535 |
| Score | 0 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Rochet - Dunlop |
| Date | Race | Rank |
| 03/06 | La Flèche Wallonne | 19 |
| Tour de Belgique | ||
| 19/06 | Stage 1 | 37 |
| 20/06 | Stage 2 | 29 |
| 21/06 | Stage 3 | 29 |
| 23/06 | Stage 4 | 22 |
| 24/06 | Stage 5 | 15 |
| 24/06 | General Classification | 20 |
| 12/08 | Dijon - Lyon | 11 |
Rider information for 1945
| Rank | 182 |
| Score | 100 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Rochet - Dunlop |
| Date | Race | Rank |
| 05/05 | Liège - Bastogne - Liège | 7 |
| Tour de Belgique | ||
| 16/05 | Stage 1 | 62 |
| 09/06 | La Flèche Wallonne | 21 |
Rider information for 1946
| Rank | 305 |
| Score | 88 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Rochet - Dunlop |
| Date | Race | Rank |
| Tour de Belgique | ||
| 13/05 | Stage 1 | 112 |
| 17/05 | General Classification | 22 |
| 26/05 | Paris - Clermont-Ferrand | 3 |
| 08/06 | Maas-Peel Mijnkoers | 6 |
| Zesprovincieënronde | ||
| 14/06 | Stage 1 | 3 |
| 15/06 | General Classification | 8 |
Rider information for 1947
| Rank | 328 |
| Score | 106 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Rochet - Dunlop |
No results available in season 1948.
Rider information for 1948
| Rank | 592 |
| Score | 42 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Bertin - Wolber |
| Date | Race | Rank |
| 24/04 | Paris - Bruxelles | 46 |
Rider information for 1949
| Rank | 687 |
| Score | 31 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Dilecta - Wolber |
No results available in season 1950.
Rider information for 1950
| Rank | 1351 |
| Score | 0 |
| Name | Joseph CLAESSEN |
| Country | Belgium |
| Team | Dilecta - Wolber |