All available race results Ko Hoogedoorn
| Date | Race | Rank |
| Wyścig Pokoju / Závod Míru / Friedensfahrt | ||
| 18/05 | Stage 8b | 2 |
| 26/05 | General Classification | 63 |
Rider information for 1973
| Rank | 616 |
| Score | 9 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | Individual |
No results available in season 1974.
Rider information for 1974
| Rank | 854 |
| Score | 3 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | Individual |
No results available in season 1975.
Rider information for 1975
| Rank | 810 |
| Score | 3 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 27/03 | Amstel Gold Race | 34 |
| Vuelta a España | ||
| 27/04 | Prologue | 3 |
| 28/04 | Stage 1 | 8 |
| 29/04 | Stage 2 | 65 |
| 30/04 | Stage 3 | 57 |
| 01/05 | Stage 4 | 40 |
| 02/05 | Stage 5 | 38 |
| 03/05 | Stage 6 | 36 |
| 04/05 | Stage 7 | 64 |
| Tour de Luxembourg | ||
| 13/06 | Stage 3 | 10 |
| 14/06 | General Classification | 22 |
| Tour de France | ||
| 24/06 | Prologue | 55 |
| 25/06 | Stage 1 | 40 |
| 26/06 | Stage 2 | 77 |
| 27/06 | Stage 3 | 99 |
| 28/06 | Stage 4 | 114 |
| 29/06 | Stage 5b | 121 |
| 30/06 | Stage 6 | 107 |
Rider information for 1976
| Rank | 235 |
| Score | 179 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | TI - Raleigh - Campagnolo |
No results available in season 1977.
Rider information for 1977
| Rank | 698 |
| Score | 6 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | Ruysdael - De Kruik - Piccadilly |
| Date | Race | Rank |
| Setmana Catalana | ||
| 31/03 | General Classification | 42 |
| Tour de Luxembourg | ||
| 11/06 | General Classification | 39 |
| Ronde van Nederland | ||
| 19/08 | General Classification | 40 |
| Driedaagse De Panne | ||
| General Classification | 37 |
Rider information for 1978
| Rank | 434 |
| Score | 46 |
| Name | Ko HOOGEDOORN |
| Country | Netherlands |
| Team | Jet Star Jeans |