All available race results Longin Sierpiński
| Date | Race | Rank |
| Bieg Dookoła Polski / Tour of Poland | ||
| 10/09 | Stage 4 | 10 |
| 15/09 | Stage 7 | 6 |
| 16/09 | Stage 8 | 3 |
| 16/09 | General Classification | 13 |
Rider information for 1928
| Rank | 568 |
| Score | 32 |
| Name | Longin SIERPIŃSKI |
| Country | Poland |
| Team | Individual |
| Date | Race | Rank |
| Bieg Dookoła Polski / Tour of Poland | ||
| 11/08 | Stage 7 | 10 |
| 18/08 | General Classification | 24 |
Rider information for 1929
| Rank | 1038 |
| Score | 4 |
| Name | Longin SIERPIŃSKI |
| Country | Poland |
| Team | Individual |