All available race results John "Jack" Adrian Havill
| Date | Race | Rank |
| 04/10 | Waimate - Christchurch | 16 |
Rider information for 1930
| Rank | 1777 |
| Score | 0 |
| Name | John "Jack" Adrian HAVILL |
| Country | New Zealand |
| Team | Individual |
| Date | Race | Rank |
| 04/10 | Waimate - Christchurch | 16 |
| Rank | 1777 |
| Score | 0 |
| Name | John "Jack" Adrian HAVILL |
| Country | New Zealand |
| Team | Individual |