All available race results Marcel van Velthoven
| Date | Race | Rank |
| 01/08 | Scheldeprijs - Schoten | 14 |
| 15/08 | Omloop van België | 16 |
Rider information for 1933
| Rank | 1093 |
| Score | 4 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 20 |
Rider information for 1934
| Rank | 1442 |
| Score | 0 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | Individual |
No results available in season 1935.
Rider information for 1935
| Rank | 1403 |
| Score | 0 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | Individual |
No results available in season 1936.
Rider information for 1936
| Rank | 1527 |
| Score | 0 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | Individual |
No results available in season 1937.
Rider information for 1937
| Rank | 1180 |
| Score | 0 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | O.K. Cycles |
| Date | Race | Rank |
| 01/05 | Grote 1 Mei-Prijs Hoboken | 21 |
Rider information for 1956
| Rank | 1812 |
| Score | 0 |
| Name | Marcel VAN VELTHOVEN |
| Country | Belgium |
| Team | Individual |