All available race results Jan Leśniewski
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 01/07 | Prologue | 2 |
| 02/07 | Stage 1 | 9 |
| 10/07 | General Classification | 69 |
Rider information for 1983
| Rank | 774 |
| Score | 8 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 26/06 | Prologue | 3 |
| 27/06 | Stage 1 | 4 |
| 01/07 | Stage 5b | 8 |
Rider information for 1984
| Rank | 758 |
| Score | 11 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
No results available in season 1987.
Rider information for 1987
| Rank | 1595 |
| Score | 0 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 28/07 | Stage 6 | 6 |
| 29/07 | General Classification | 34 |
Rider information for 1988
| Rank | 1194 |
| Score | 3 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 31/07 | General Classification | 29 |
Rider information for 1989
| Rank | 1766 |
| Score | 0 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 12/09 | Stage 6 | 1 |
| 14/09 | Stage 8 | 6 |
| 15/09 | Stage 9 | 9 |
| 15/09 | General Classification | 33 |
Rider information for 1990
| Rank | 794 |
| Score | 14 |
| Name | Jan LEŚNIEWSKI |
| Country | Poland |
| Team | Individual |