All available race results Marcel Lavaux
| Date | Race | Rank |
| 14/05 | La Flèche Wallonne | 7 |
| 16/07 | G.P. de Wallonie | 28 |
Rider information for 1944
| Rank | 91 |
| Score | 115 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Individual |
No results available in season 1945.
Rider information for 1945
| Rank | 400 |
| Score | 22 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| Tour de Belgique | ||
| 13/05 | Stage 1 | 120 |
| 14/05 | Stage 2 | 56 |
Rider information for 1947
| Rank | 1489 |
| Score | 0 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Individual |
No results available in season 1948.
Rider information for 1948
| Rank | 761 |
| Score | 21 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Individual |
No results available in season 1949.
Rider information for 1949
| Rank | 1142 |
| Score | 5 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Van Hauwaert - Dubonnet |
No results available in season 1950.
Rider information for 1950
| Rank | 1633 |
| Score | 0 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Colomb - Manera |
No results available in season 1951.
Rider information for 1951
| Rank | 1561 |
| Score | 0 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Van Hauwaert |
No results available in season 1952.
Rider information for 1952
| Rank | 1399 |
| Score | 0 |
| Name | Marcel LAVAUX |
| Country | Belgium |
| Team | Van Hauwaert |