All available race results J. Calder
| Date | Race | Rank |
| 04/10 | Waimate - Christchurch | 38 |
Rider information for 1930
| Rank | 1770 |
| Score | 0 |
| Name | J. CALDER |
| Country | New Zealand |
| Team | Individual |
| Date | Race | Rank |
| 03/10 | Waimate - Christchurch | 13 |
Rider information for 1931
| Rank | 1794 |
| Score | 0 |
| Name | J. CALDER |
| Country | New Zealand |
| Team | Individual |