All available race results Jan Więcławski
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| General Classification | 29 |
Rider information for 1978
| Rank | 1322 |
| Score | 0 |
| Name | Jan WIĘCŁAWSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 12/07 | Stage 6 | 8 |
| General Classification | 69 |
Rider information for 1979
| Rank | 1020 |
| Score | 1 |
| Name | Jan WIĘCŁAWSKI |
| Country | Poland |
| Team | Individual |