All available race results Jan Żak
| Date | Race | Rank |
| Bieg Dookoła Polski / Tour of Poland | ||
| 07/09 | Stage 1 | 3 |
| 08/09 | Stage 2 | 5 |
| 09/09 | Stage 3 | 6 |
| 12/09 | Stage 5 | 7 |
| 15/09 | Stage 7 | 9 |
| 16/09 | General Classification | 8 |
Rider information for 1928
| Rank | 271 |
| Score | 94 |
| Name | Jan ŻAK |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Bieg Dookoła Polski / Tour of Poland | ||
| 11/08 | Stage 7 | 9 |
Rider information for 1929
| Rank | 1089 |
| Score | 2 |
| Name | Jan ŻAK |
| Country | Poland |
| Team | Individual |