All available race results Marc de Block
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 17/06 | General Classification | 40 |
Rider information for 1968
| Rank | 621 |
| Score | 14 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Flandria - De Clerck |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 16/06 | Stage 4b | 9 |
| 16/06 | General Classification | 21 |
| Tour de France | ||
| 28/06 | Prologue | 93 |
| 29/06 | Stage 1a | 127 |
| 30/06 | Stage 2 | 69 |
| 01/07 | Stage 3 | 115 |
| 02/07 | Stage 4 | 115 |
| 03/07 | Stage 5 | 111 |
| 04/07 | Stage 6 | 97 |
| 05/07 | Stage 7 | 109 |
| 06/07 | Stage 8a | 84 |
| 06/07 | Stage 8b | 86 |
| 07/07 | Stage 9 | 68 |
| 08/07 | Stage 10 | 94 |
| 09/07 | Stage 11 | 92 |
| 10/07 | Stage 12 | 77 |
| 11/07 | Stage 13 | 79 |
| 12/07 | Stage 14 | 93 |
| 13/07 | Stage 15 | 77 |
| 14/07 | Stage 16 | 90 |
| 15/07 | Stage 17 | 67 |
| 16/07 | Stage 18 | 63 |
| 17/07 | Stage 19 | 71 |
| 18/07 | Stage 20 | 38 |
| 19/07 | Stage 21 | 74 |
| 20/07 | Stage 22a | 78 |
| 20/07 | Stage 22b | 57 |
| General Classification | 82 |
Rider information for 1969
| Rank | 308 |
| Score | 122 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Flandria - De Clerck - Krüger |
| Date | Race | Rank |
| 01/03 | Kuurne - Brussel - Kuurne | 8 |
| 22/03 | Brabantse Pijl | 15 |
| 19/04 | La Flèche Wallonne | 31 |
| Vuelta a España | ||
| 23/04 | Prologue | 43 |
| 24/04 | Stage 1 | 86 |
| 25/04 | Stage 2 | 21 |
| 26/04 | Stage 3 | 77 |
| 27/04 | Stage 4 | 93 |
| 28/04 | Stage 5 | 59 |
| 29/04 | Stage 6 | 90 |
| 30/04 | Stage 7 | 81 |
| 02/05 | Stage 9 | 43 |
| 03/05 | Stage 10 | 78 |
| 04/05 | Stage 11 | 18 |
| 05/05 | Stage 12 | 70 |
| 06/05 | Stage 13 | 73 |
| 07/05 | Stage 14 | 20 |
| 08/05 | Stage 15 | 11 |
| 03/07 | G.P. Fayt-le-Franc | 8 |
Rider information for 1970
| Rank | 314 |
| Score | 95 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp - Magniflex |
No results available in season 1971.
Rider information for 1971
| Rank | 1018 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp - Magniflex |
No results available in season 1972.
Rider information for 1972
| Rank | 971 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1973.
Rider information for 1973
| Rank | 1009 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1974.
Rider information for 1974
| Rank | 979 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1975.
Rider information for 1975
| Rank | 953 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1976.
Rider information for 1976
| Rank | 988 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1977.
Rider information for 1977
| Rank | 961 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |
No results available in season 1978.
Rider information for 1978
| Rank | 1046 |
| Score | 0 |
| Name | Marc DE BLOCK |
| Country | Belgium |
| Team | Hertekamp |