All available race results Marcel van der Slagmolen
| Date | Race | Rank |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 22/05 | General Classification | 69 |
Rider information for 1974
| Rank | 682 |
| Score | 7 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Individual |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 16/06 | General Classification | 54 |
Rider information for 1975
| Rank | 617 |
| Score | 7 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Carpenter - Confortluxe - Flandria |
| Date | Race | Rank |
| 07/03 | Kuurne - Brussel - Kuurne | 33 |
| 13/04 | Nokere Koerse | 15 |
| Vuelta a España | ||
| 27/04 | Prologue | 86 |
| 28/04 | Stage 1 | 97 |
Rider information for 1976
| Rank | 408 |
| Score | 55 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Flandria - Velda - West Vlaams Vleesbedrijf |
No results available in season 1977.
Rider information for 1977
| Rank | 1029 |
| Score | 0 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Flandria - Velda - Latina Assicurazioni |
No results available in season 1978.
Rider information for 1978
| Rank | 1149 |
| Score | 0 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Old Lord's - Splendor - K.S.B. |
| Date | Race | Rank |
| Paris - Nice | ||
| 12/03 | Stage 5 | 15 |
| Deutschlandrundfahrt | ||
| 09/08 | Stage 3 | 7 |
| 11/08 | General Classification | 77 |
Rider information for 1979
| Rank | 602 |
| Score | 13 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Flandria - Ca-va seul |
No results available in season 1980.
Rider information for 1980
| Rank | 1163 |
| Score | 0 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Masta - Cornelo |
| Date | Race | Rank |
| Driedaagse De Panne | ||
| 01/04 | General Classification | 40 |
| 12/04 | Paris - Roubaix | 38 |
Rider information for 1981
| Rank | 521 |
| Score | 30 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Fangio - Sapeco - Mavic |
| Date | Race | Rank |
| 19/09 | G.P. Jef Scherens - Leuven | 26 |
Rider information for 1982
| Rank | 989 |
| Score | 4 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | Masta - Puch - Marc Zeepcentrale |
| Date | Race | Rank |
| 02/08 | Scheldeprijs - Schoten | 18 |
Rider information for 1983
| Rank | 1148 |
| Score | 1 |
| Name | Marcel VAN DER SLAGMOLEN |
| Country | Belgium |
| Team | De Bilde - Libertas - Smets |