All available race results R.J. Sim
| Date | Race | Rank |
| 26/11 | Timaru - Christchurch | 16 |
Rider information for 1921
| Rank | 881 |
| Score | 0 |
| Name | R.J. SIM |
| Country | New Zealand |
| Team | Individual |
| Date | Race | Rank |
| 26/11 | Timaru - Christchurch | 16 |
| Rank | 881 |
| Score | 0 |
| Name | R.J. SIM |
| Country | New Zealand |
| Team | Individual |