All available race results Cees Koeken
| Date | Race | Rank |
| 15/08 | World Championships Road Race (Amateurs) | 9 |
Rider information for 1970
| Rank | 393 |
| Score | 55 |
| Name | Cees KOEKEN |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| 05/09 | World Championships Road Race (Amateurs) | 75 |
Rider information for 1971
| Rank | 521 |
| Score | 22 |
| Name | Cees KOEKEN |
| Country | Netherlands |
| Team | Gazelle Cycles |
| Date | Race | Rank |
| 27/02 | Gran Premio de Valencia | 15 |
| 12/04 | Gent - Wevelgem | 54 |
| Vuelta a España | ||
| 27/04 | Prologue | 61 |
| 28/04 | Stage 1 | 77 |
| 29/04 | Stage 2 | 93 |
| 30/04 | Stage 3 | 71 |
| 01/05 | Stage 4 | 8 |
| 02/05 | Stage 5 | 77 |
| 03/05 | Stage 6a | 6 |
| 04/05 | Stage 7 | 63 |
| 05/05 | Stage 8 | 1 |
| 06/05 | Stage 9a | 59 |
| 06/05 | Stage 9b | 71 |
| 07/05 | Stage 10 | 49 |
| 08/05 | Stage 11 | 2 |
| 09/05 | Stage 12 | 63 |
| 10/05 | Stage 13 | 59 |
| 11/05 | Stage 14 | 58 |
| 12/05 | Stage 15 | 66 |
| 13/05 | Stage 16 | 43 |
| 14/05 | Stage 17a | 15 |
| 14/05 | Stage 17b | 53 |
| General Classification | 56 | |
| Tour de France | ||
| 01/07 | Prologue | 126 |
| 02/07 | Stage 1 | 30 |
| 03/07 | Stage 2 | 53 |
| 04/07 | Stage 3a | 96 |
| 05/07 | Stage 4 | 5 |
| 06/07 | Stage 5a | 80 |
| 06/07 | Stage 5b | 111 |
| 07/07 | Stage 6 | 29 |
| 30/07 | Grosser Preis des Kantons Aargau - Gippingen | 17 |
| 01/10 | Paris - Tours | 5 |
| Vuelta a Andalucia - Ruta del Sol | ||
| General Classification | 22 |
Rider information for 1972
| Rank | 99 |
| Score | 520 |
| Name | Cees KOEKEN |
| Country | Netherlands |
| Team | Goudsmit - Hoff |
| Date | Race | Rank |
| Vuelta a Andalucia - Ruta del Sol | ||
| 15/02 | Stage 4 | 4 |
| 17/02 | Stage 6 | 3 |
| 15/04 | Paris - Roubaix | 21 |
| 19/04 | La Flèche Wallonne | 34 |
| 24/04 | Paris - Camembert | 11 |
Rider information for 1973
| Rank | 250 |
| Score | 124 |
| Name | Cees KOEKEN |
| Country | Netherlands |
| Team | Victoria - Novy |