| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Abigail Irving | St Hilda's | 1:09.32q |
| 2 | Brianna O'Connell | KAVANAGH | 1:13.26q |
| 3 | Tracey Barclay | South Otago | 1:13.77q |
| 4 | Raewyn Gregory-Hunt | St Kevin's College | 1:14.80 |
| 5 | Hannah Cox | Mount Aspiring College | 1:18.85 |
| -- | Tessa Sutton | KAVANAGH | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Brittany Wallis | St Kevin's College | 1:08.99q |
| 2 | Michelle Chan | St Kevin's College | 1:14.03 |
| -- | Terri Abernethy | Kaikorai Valley | DNS |
| -- | Samantha Clayton | Mount Aspiring College | DQ |
| -- | Lily Culbertson | South Otago | DNS |
| -- | Renaye Flockton | Taieri College | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Maddy McKinlay | Otago Girls High School | 1:03.01q |
| 2 | Fran Myers Baird | Otago Girls High School | 1:07.62q |
| 3 | Kylie Price | KAVANAGH | 1:09.26q |
| 4 | Olivia Hay | St Hilda's | 1:12.06q |
| 5 | Courtney Davies | Dunstan | 1:14.12 |
| 6 | Mikayla Austin | Mount Aspiring College | 1:15.83 |
| -- | Dannielle Korevaar | South Otago | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Maddy McKinlay | Otago Girls High School | 1:05.75 |
| 2 | Fran Myers Baird | Otago Girls High School | 1:07.28 |
| 3 | Brittany Wallis | St Kevin's College | 1:08.47 |
| 4 | Kylie Price | KAVANAGH | 1:09.28 |
| 5 | Abigail Irving | St Hilda's | 1:10.10 |
| 6 | Olivia Hay | St Hilda's | 1:10.96 |
| 7 | Brianna O'Connell | KAVANAGH | 1:14.99 |
| 8 | Tracey Barclay | South Otago | 1:16.22 |