Info
| Last name | van Katwijk |
| First name | Jan |
| Nationality |  Netherlands |
| Date of birth | 30-08-1946 |
| Age | 79 |
| Place of birth | Oploo |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 14-10 | 1 |  Nationale Sluitingsprijs Putte-Kapellen (1.1) | |||||
| Ronde van Nederland (2.3) | |||||||
| 23-08 | 8 | Stage 1Grave - Apeldoorn (202.0km) | |||||
| 29-07 | 11 | Grote Scheldeprijs Schoten (1.1) | |||||
| Ronde van België (2.3) | |||||||
| 31-03 | 7 | Stage 2Kampenhout - Oostende (181.0km) | |||||
| 29-03 | 19 | Amstel Gold Race (CDM) | |||||
| 22-03 | 13 | E3 Prijs Harelbeke (1.1) | |||||
| 05-03 | 7 | GP de Fayt-le-Franc (1.4) | |||||
Teams
Victories
| This year | 0 |
| Total | 3 |