Info
| Last name | Koeken |
| First name | Cees |
| Nationality |  Netherlands |
| Date of birth | 29-10-1948 |
| Age | 77 |
| Place of birth | Achtmaal |
Monuments
| Year | Milano - San Remo | Tour of Flanders | Paris - Roubaix | Liège-Bastogne-Liège | Il Lombardia |
|---|---|---|---|---|---|
| 1973 | - | - | 21st | - | - |
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 01-10 | 5 |  Paris - Tours | |||||
| Tour de France (2.HC) | |||||||
| 10-07 | OTL | Stage 7Bayonne - Pau (221.0km) | |||||
| 09-07 | 29 | Stage 6Bordeaux - Bayonne (205.0km) | |||||
| 07-07 | 111 | Stage 5bBordeaux - Bordeaux (12.0km) | |||||
| 06-07 | 80 | Stage 5aRoyan - Bordeaux (133.0km) | |||||
| 05-07 | 5 | Stage 4Merlin Plage - Royan (236.0km) | |||||
| 04-07 | 96 | Stage 3aPornichet - Saint-Jean-de-Monts (161.0km) | |||||
| 03-07 | 53 | Stage 2Saint-Brieuc - La Baule (207.0km) | |||||
| 02-07 | 30 | Stage 1Angers - Saint-Brieuc (235.0km) | |||||
| 01-07 | 126 | PrologueAngers - Angers (7.0km) | |||||
| 25-06 | 14 | National Road Championships - Netherlands (CN) | |||||
 Vuelta a España (2.HC) | |||||||
| 56 |  Standings | ||||||
| 7 |  Points | ||||||
| 14-05 | Stage 17bSan Sebastián - San Sebastián (20.0km) | ||||||
| 08-05 | 2 | Stage 11Manresa - Zaragoza (259.0km) | |||||
| 05-05 | 1 | Stage 8Vinaroz - Tarragona (189.0km) | |||||
| 12-04 | 54 |  Gent-Wevelgem (1.1) | |||||
| 26-03 | 20 | Amstel Gold Race (CDM) | |||||
Teams
| Year | Team |
|---|---|
| 1973 | Canada Dry - Gazelle(until 30-06) |
| 1972 | Goudsmit - Hoff |
| 1971 | Gazelle(from 01-10) |
Victories
| This year | 0 |
| Total | 1 |