All available race results Karl Seiferth
| Date | Race | Rank |
| 28/03 | Berlin - Cottbus - Berlin | 7 |
| 09/05 | Rund um Köln | 13 |
Rider information for 1926
| Rank | 392 |
| Score | 47 |
| Name | Karl SEIFERTH |
| Country | Germany |
| Team | Individual |
| Date | Race | Rank |
| 29/05 | Rund um Leipzig (Geldfahrer) | 12 |
Rider information for 1927
| Rank | 640 |
| Score | 21 |
| Name | Karl SEIFERTH |
| Country | Germany |
| Team | Diamant |
| Date | Race | Rank |
| Deutschlandrundfahrt | ||
| 06/05 | Stage 2 | 9 |
| 22/05 | Stage 9 | 2 |
| 25/05 | General Classification | 34 |
Rider information for 1930
| Rank | 488 |
| Score | 36 |
| Name | Karl SEIFERTH |
| Country | Germany |
| Team | Brennabor |