All available race results Jan Kost
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| General Classification | 40 |
Rider information for 1957
| Rank | 1601 |
| Score | 0 |
| Name | Jan KOST |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 25/07 | Stage 3b | 9 |
| General Classification | 55 |
Rider information for 1961
| Rank | 1141 |
| Score | 2 |
| Name | Jan KOST |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| General Classification | 38 |
Rider information for 1962
| Rank | 1466 |
| Score | 0 |
| Name | Jan KOST |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Wyścig Dookoła Polski / Tour of Poland | ||
| 09/08 | Stage 10 | 8 |
| General Classification | 38 |
Rider information for 1964
| Rank | 1075 |
| Score | 3 |
| Name | Jan KOST |
| Country | Poland |
| Team | Individual |