All available race results Hugo Karlsson
| Date | Race | Rank |
| 03/07 | Mälaren Runt | 7 |
Rider information for 1921
| Rank | 566 |
| Score | 11 |
| Name | Hugo KARLSSON |
| Country | Sweden |
| Team | Individual |
| Date | Race | Rank |
| 03/07 | Mälaren Runt | 7 |
| Rank | 566 |
| Score | 11 |
| Name | Hugo KARLSSON |
| Country | Sweden |
| Team | Individual |