All available race results N. O'Prey
| Date | Race | Rank |
| 01/06 | Anfield 100 Invitational | 31 |
Rider information for 1925
| Rank | 1445 |
| Score | 0 |
| Name | N. O'PREY |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 24/05 | Anfield 100 Invitational | 26 |
Rider information for 1926
| Rank | 1463 |
| Score | 0 |
| Name | N. O'PREY |
| Country | Great Britain |
| Team | Individual |
| Date | Race | Rank |
| 06/06 | Anfield 100 Invitational | 64 |
Rider information for 1927
| Rank | 1494 |
| Score | 0 |
| Name | N. O'PREY |
| Country | Great Britain |
| Team | Individual |