All available race results Karl Grohl
| Date | Race | Rank |
| 02/05 | Berlin - Hamburg | 3 |
| 29/08 | Rund um Berlin | 5 |
Rider information for 1915
| Rank | 37 |
| Score | 78 |
| Name | Karl GROHL |
| Country | Germany |
| Team | Individual |
| Date | Race | Rank |
| 02/04 | Berlin - Cottbus - Berlin | 4 |
Rider information for 1916
| Rank | 19 |
| Score | 55 |
| Name | Karl GROHL |
| Country | Germany |
| Team | Individual |