Info
| Last name | van Katwijk |
| First name | Piet |
| Nationality |  Netherlands |
| Date of birth | 27-02-1949 |
| Place of birth | Oploo |
| Passed away | 24-02-2025 |
| Age when passed away | 75 |
Monuments
| Date | Rank | Race | |||||
|---|---|---|---|---|---|---|---|
| 19-09 | 44 |  Paris-Brussel (1.1) | |||||
| 26-08 | DNF | UCI World Championship Valkenburg (WC) | |||||
| Ronde van Nederland (2.3) | |||||||
| 6 |  Standings | ||||||
| 18-08 | 1 | Stage 5bBeekse Bergen - Beekse Bergen (22.0km) | |||||
| 17-08 | 3 | Stage 4Sittard-Geleen - Heesch (195.0km) | |||||
 Quatre Jours de Dunkerque (2.5) | |||||||
| 09-05 | 3 | Stage 1Dunkerque - Dunkerque (207.0km) | |||||
| Ronde van België (2.3) | |||||||
| 19-04 | 5 | Stage 5Verviers - Sint-Jans-Molenbeek (235.0km) | |||||
| 17-04 | 2 | Stage 3Geel - Dilsen (154.0km) | |||||
| 16-04 | 4 | Stage 2Brugge - Geel (175.0km) | |||||
| 04-04 | 13 | Gent-Wevelgem (1.1) | |||||
| 01-04 | 5 | Ronde van Vlaanderen (CDM) | |||||
| 25-03 | 12 | Dwars door België (1.1) | |||||
| 17-03 | 78 |  Milano-Sanremo (CDM) | |||||
| 07-03 | 5 | GP de Fayt-le-Franc (1.4) | |||||
| Tour Méditerranéen (2.1) | |||||||
| 19-02 | 5 | Stage 5bAntibes - Menton (51.0km) | |||||
| 19-02 | 3 | Stage 5aSaint-Raphaël - Antibes (67.0km) | |||||
| 18-02 | 3 | Stage 4Hyères - Saint-Raphaël (85.0km) | |||||
Teams
| Year | Team |
|---|---|
| 1982 | Perrier |
| 1981 | Boule d'Or - Sunair |
| 1980 | Ti - Raleigh - Creda |
| 1979 | Ti-Raleigh - Mc Gregor |
| 1978 | Ti-Raleigh - Mc Gregor |
| 1977 | Ti-Raleigh |
| 1976 | Ti-Raleigh - Campagnolo |
| 1975 | Frisol - GBC |
| 1974 | Frisol - Flair Plastics |
Victories
| This year | 0 |
| Total | 4 |