All available race results Halfdan Syvertsen
| Date | Race | Rank |
| Osloloppet | ||
| 12/06 | Stage 1 | 20 |
| 13/06 | Stage 2 | 24 |
| 14/06 | Stage 3 | 22 |
Rider information for 1929
| Rank | 1740 |
| Score | 0 |
| Name | Halfdan SYVERTSEN |
| Country | Norway |
| Team | Individual |
| Date | Race | Rank |
| Osloloppet | ||
| 12/06 | Stage 1 | 20 |
| 13/06 | Stage 2 | 24 |
| 14/06 | Stage 3 | 22 |
| Rank | 1740 |
| Score | 0 |
| Name | Halfdan SYVERTSEN |
| Country | Norway |
| Team | Individual |