All available race results Marc de Smet
Rider information for 1978
| Rank | 1004 |
| Score | 1 |
| Name | Marc DE SMET |
| Country | Belgium |
| Team | Safir - Beyers - Ludo |
| Date | Race | Rank |
| 24/04 | Nokere Koerse | 23 |
Rider information for 1979
| Rank | 1296 |
| Score | 0 |
| Name | Marc DE SMET |
| Country | Belgium |
| Team | Fangio - Iso-Bel |
| Date | Race | Rank |
| 10/04 | G.P. Pino Cerami | 32 |
Rider information for 1980
| Rank | 1352 |
| Score | 0 |
| Name | Marc DE SMET |
| Country | Belgium |
| Team | Masta - Cornelo |
No results available in season 1981.
Rider information for 1981
| Rank | 1407 |
| Score | 0 |
| Name | Marc DE SMET |
| Country | Belgium |
| Team | Masta - Immo H. Peeters - B.B.S. |