All available race results Piet Steenvoorden
| Date | Race | Rank |
| 17/08 | World Championships Road Race (Amateurs) | 44 |
Rider information for 1957
| Rank | 765 |
| Score | 15 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Individual |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 22/06 | General Classification | 35 |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 12/09 | Stage 4b | 1 |
| 14/09 | Stage 6b | 8 |
Rider information for 1958
| Rank | 548 |
| Score | 54 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Radium - R.I.H. Sport |
| Date | Race | Rank |
| Tour de Luxembourg | ||
| 12/06 | Stage 1 | 7 |
| 13/06 | Stage 2 | 5 |
| 15/06 | Stage 4 | 9 |
| 15/06 | General Classification | 25 |
Rider information for 1959
| Rank | 486 |
| Score | 44 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Radium - R.I.H. Sport |
| Date | Race | Rank |
| 10/04 | Paris - Roubaix | 74 |
| Deutschlandrundfahrt | ||
| 29/04 | Stage 1 | 4 |
| 03/05 | Stage 5 | 9 |
| 04/05 | Stage 6 | 4 |
| 05/05 | General Classification | 15 |
| Ronde van Nederland | ||
| 11/05 | Stage 2b | 1 |
| 17/05 | General Classification | 33 |
Rider information for 1960
| Rank | 307 |
| Score | 163 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Radium |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 17/05 | Stage 2 | 19 |
| 19/05 | Stage 4 | 3 |
| 22/05 | Stage 7 | 16 |
| 25/05 | General Classification | 12 |
Rider information for 1961
| Rank | 400 |
| Score | 98 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Radium |
| Date | Race | Rank |
| 29/04 | Paris - Bruxelles | 27 |
Rider information for 1962
| Rank | 506 |
| Score | 49 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 09/05 | Stage 1 | 1 |
| 11/05 | Stage 3 | 1 |
| 13/05 | General Classification | 22 |
Rider information for 1963
| Rank | 384 |
| Score | 86 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
No results available in season 1964.
Rider information for 1964
| Rank | 860 |
| Score | 8 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
| Date | Race | Rank |
| Ronde van Nederland | ||
| 16/05 | General Classification | 79 |
Rider information for 1965
| Rank | 933 |
| Score | 5 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
| Date | Race | Rank |
| 30/04 | Amstel Gold Race | 29 |
Rider information for 1966
| Rank | 479 |
| Score | 43 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
No results available in season 1967.
Rider information for 1967
| Rank | 1104 |
| Score | 0 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero |
No results available in season 1968.
Rider information for 1968
| Rank | 1110 |
| Score | 0 |
| Name | Piet STEENVOORDEN |
| Country | Netherlands |
| Team | Caballero - Wielersport |