All available race results Mari van Venrooy
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 22/07 | Stage 1 | 2 |
| 02/08 | Stage 13 | 5 |
Rider information for 1969
| Rank | 653 |
| Score | 15 |
| Name | Mari VAN VENROOY |
| Country | Netherlands |
| Team | Individual |
No results available in season 1973.
Rider information for 1973
| Rank | 893 |
| Score | 3 |
| Name | Mari VAN VENROOY |
| Country | Netherlands |
| Team | Individual |
No results available in season 1974.
Rider information for 1974
| Rank | 943 |
| Score | 1 |
| Name | Mari VAN VENROOY |
| Country | Netherlands |
| Team | Jan de Veer Autobedrijf |
No results available in season 1975.
Rider information for 1975
| Rank | 1181 |
| Score | 0 |
| Name | Mari VAN VENROOY |
| Country | Netherlands |
| Team | Bonfrère - Rompelberg |