All races
All races where Oirschot was either departure or arrival city, or a location on the route.
| # | Date | Race |
|---|---|---|
| 1 | 2006-09-01 | Holland Ladies Tour | Stage 5 |
| 2 | 1958-05-29 | Olympia's Tour | Stage 3a |
| # | Date | Race |
|---|---|---|
| 1 | 2006-09-01 | Holland Ladies Tour | Stage 5 |
| 2 | 1958-05-29 | Olympia's Tour | Stage 3a |