All available race results Marcel Decroix
| Date | Race | Rank |
| 12/06 | Circuit de Paris | 23 |
Rider information for 1921
| Rank | 634 |
| Score | 7 |
| Name | Marcel DECROIX |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 10/05 | Paris - Lille | 1 |
Rider information for 1923
| Rank | 339 |
| Score | 49 |
| Name | Marcel DECROIX |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 25/05 | Circuit du Nord de la France | 13 |
Rider information for 1924
| Rank | 544 |
| Score | 23 |
| Name | Marcel DECROIX |
| Country | Belgium |
| Team | Individual |
No results available in season 1925.
Rider information for 1925
| Rank | 1297 |
| Score | 0 |
| Name | Marcel DECROIX |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| 24/04 | Paris - Lille | 18 |
Rider information for 1927
| Rank | 1159 |
| Score | 1 |
| Name | Marcel DECROIX |
| Country | Belgium |
| Team | Individual |