| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Anna Kean | Bayfield High School | 1:07.35q |
| 2 | Samara Dalziel | Columba College | 1:07.97q |
| 3 | Tessa Sutton | Kavanagh College | 1:08.10q |
| 4 | Melissa Bates | Taieri College | 1:11.59q |
| 5 | Aleisha Taylor | Taieri College | 1:13.84 |
| 6 | jessica wilson | Kaikorai Valley College | 1:17.95 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Megan Turner | East Otago High School | 1:08.36q |
| 2 | Holly Attfield | Dunstan High School | 1:10.14q |
| 3 | Vaciseve Vakalala | Otago Girls High School | 1:12.23q |
| 4 | Rosemary Alderton | Blue Mountain College | 1:12.31q |
| -- | Tiffany Corboy | Otago Girls High School | DNS |
| -- | Micaela Watt | Otago Girls High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Anna Kean | Bayfield High School | 1:02.17 |
| 2 | Tessa Sutton | Kavanagh College | 1:02.71 |
| 3 | Samara Dalziel | Columba College | 1:07.27 |
| 4 | Megan Turner | East Otago High School | 1:08.45 |
| 5 | Holly Attfield | Dunstan High School | 1:08.77 |
| 6 | Melissa Bates | Taieri College | 1:12.24 |
| 7 | Rosemary Alderton | Blue Mountain College | 1:12.91 |
| 8 | Vaciseve Vakalala | Otago Girls High School | 1:29.81 |