All available race results Marcel Trefois
No results available in season 1950.
Rider information for 1950
| Rank | 1002 |
| Score | 9 |
| Name | Marcel TREFOIS |
| Country | Belgium |
| Team | Individual |
No results available in season 1951.
Rider information for 1951
| Rank | 1201 |
| Score | 2 |
| Name | Marcel TREFOIS |
| Country | Belgium |
| Team | Individual |
No results available in season 1955.
Rider information for 1955
| Rank | 876 |
| Score | 12 |
| Name | Marcel TREFOIS |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| Tour d'Europe | ||
| 08/08 | Stage 1 | 9 |
| 09/08 | Stage 2 | 5 |
Rider information for 1956
| Rank | 998 |
| Score | 5 |
| Name | Marcel TREFOIS |
| Country | Belgium |
| Team | Individual |
No results available in season 1957.
Rider information for 1957
| Rank | 1293 |
| Score | 0 |
| Name | Marcel TREFOIS |
| Country | Belgium |
| Team | Larive |