The 2021 New Zealand Championships were held from July 21 through July 24 in Auckland, New Zealand.
Senior All-Around Results
| Rank | Athlete | Team | VT | UB | BB | FX | AA |
| 1 | Isabella Brett | Canterbury | 13.166 | 10.266 | 13.033 | 11.500 | 47.965 |
| 2 | Reece Cobb | Wellington | 12.166 | 9.866 | 12.933 | 12.100 | 47.065 |
| 3 | Keira Rolston-Larking | Wellington | 12.166 | 10.066 | 11.500 | 12.500 | 46.232 |
Senior Vault Final Results
| Rank | Athlete | Team | D | E | ND | Total | Average |
| 1 | Reece Cobb | Wellington | 3.5 | 9.100 | 12.600 | 12.550 | |
| 3.5 | 9.000 | 12.500 | |||||
| 2 | Isabella Brett | Canterbury | 4.0 | 9.400 | 13.400 | 12.375 | |
| 2.0 | 9.350 | 11.350 | |||||
| 3 | Keira Rolston-Larking | Wellington | 4.0 | 7.850 | 11.850 | 12.175 | |
| 3.7 | 8.800 | 12.500 |
Senior Bars Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Keira Rolston-Larking | Wellington | 3.5 | 8.350 | 11.850 | |
| 2 | Isabella Brett | Canterbury | 3.2 | 7.000 | 10.200 |
Senior Beam Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Isabella Brett | Canterbury | 5.1 | 7.500 | 12.600 | |
| 2 | Keira Rolston-Larking | Wellington | 4.4 | 7.200 | 11.600 | |
| 3 | Reece Cobb | Wellington | 4.6 | 6.200 | 10.800 |
Senior Floor Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Isabella Brett | Canterbury | 4.6 | 8.000 | -0.1 | 12.500 |
| 2 | Keira Rolston-Larking | Wellington | 4.4 | 7.900 | -0.1 | 12.200 |
| 3 | Reece Cobb | Wellington | 4.2 | 7.100 | -0.3 | 11.000 |
Junior All-Around Results
| Rank | Athlete | Team | VT | UB | BB | FX | AA |
| 1 | Jun McDonald | Canterbury | 12.566 | 11.100 | 10.200 | 11.433 | 45.299 |
| Ava Baddeley | Wellington | 12.633 | 9.733 | 10.666 | 12.266 | 45.299 |
Junior Vault Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Jun McDonald | Canterbury | 3.7 | 9.200 | 12.900 | |
| 2 | Ava Baddeley | Wellington | 3.5 | 8.200 | 11.700 |
Junior Bars Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Jun McDonald | Canterbury | 2.8 | 8.250 | 11.050 |
Junior Beam Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Ava Baddeley | Wellington | 4.0 | 7.700 | 11.700 | |
| 2 | Jun McDonald | Canterbury | 4.5 | 7.050 | 11.550 |
Junior Floor Final Results
| Rank | Athlete | Team | D | E | ND | Total |
| 1 | Ava Baddeley | Wellington | 4.1 | 7.750 | 11.850 | |
| 2 | Jun McDonald | Canterbury | 4.4 | 7.300 | -0.1 | 11.600 |
The Gymternet 