All available race results Piet van Roon
| Date | Race | Rank |
| 01/09 | World Championships Road Race (Amateurs) | 6 |
Rider information for 1951
| Rank | 427 |
| Score | 65 |
| Name | Piet VAN ROON |
| Country | Netherlands |
| Team | Individual |
No results available in season 1952.
Rider information for 1952
| Rank | 1125 |
| Score | 5 |
| Name | Piet VAN ROON |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 02/05 | General Classification | 20 |
Rider information for 1954
| Rank | 499 |
| Score | 46 |
| Name | Piet VAN ROON |
| Country | Netherlands |
| Team | Nescafé |