All available race results Oscar Neilson
| Date | Race | Rank |
| 16/07 | Timaru - Christchurch | 12 |
Rider information for 1904
| Rank | 302 |
| Score | 5 |
| Name | Oscar NEILSON |
| Country | New Zealand |
| Team | Individual |
| Date | Race | Rank |
| 02/09 | Timaru - Christchurch | 4 |
| 30/09 | Warrnambool - Melbourne | 4 |
Rider information for 1905
| Rank | 133 |
| Score | 46 |
| Name | Oscar NEILSON |
| Country | New Zealand |
| Team | Individual |
| Date | Race | Rank |
| 01/09 | Timaru - Christchurch | 22 |
Rider information for 1906
| Rank | 601 |
| Score | 0 |
| Name | Oscar NEILSON |
| Country | New Zealand |
| Team | Individual |