All races
All races where Ridderkerk was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 1998-05-16 | Olympia's Tour | Stage 1 |
| 2 | 1998-05-15 | Olympia's Tour | Prologue |
| 3 | 1997-05-24 | Olympia's Tour | Stage 8b (ITT) |
| 4 | 1997-05-24 | Olympia's Tour | Stage 8a |
| 5 | 1996-05-19 | Olympia's Tour | Stage 3 |
| 6 | 1996-05-18 | Olympia's Tour | Stage 2b (TTT) |
| 7 | 1996-05-18 | Olympia's Tour | Stage 2a |
| 8 | 1995-05-29 | Olympia's Tour | Stage 10 |
| 9 | 1995-05-28 | Olympia's Tour | Stage 9 |
| 10 | 1994-05-30 | Olympia's Tour | Stage 10 |
| 11 | 1994-05-29 | Olympia's Tour | Stage 9 |