| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Laura Smith | Villa Maria College | 1:02.16q |
| 2 | Olivia Maisey | Avonside Girls' High School | 1:02.83q |
| 3 | Meg McKay | St Hilda's Collegiate | 1:03.45q |
| 4 | Kelly Maxwell | Burnside High School | 1:04.27q |
| 5 | Ashley Tweed | Geraldine High School | 1:04.38q |
| 6 | Emily Boyd | Rangi Ruru Girls' School | 1:05.45 |
| 7 | Mary Goulding | Rangiora High School | 1:06.98 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Stacey Dennison | Dunstan High School | 1:00.45q |
| 2 | Aesha King | Opihi College | 1:04.17q |
| 3 | Savanna Ornsby | Ashburton College | 1:04.31q |
| 4 | Anna Cross | Otago Girls High School | 1:05.00 |
| 5 | Abbey Hall | Burnside High School | 1:06.52 |
| 6 | Grace Carruthers | Columba College | 1:06.63 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Olivia Maisey | Avonside Girls' High School | 1:00.24 |
| 2 | Stacey Dennison | Dunstan High School | 1:00.44 |
| 3 | Laura Smith | Villa Maria College | 1:01.34 |
| 4 | Meg McKay | St Hilda's Collegiate | 1:03.99 |
| 5 | Ashley Tweed | Geraldine High School | 1:04.20 |
| 6 | Aesha King | Opihi College | 1:04.48 |
| 7 | Savanna Ornsby | Ashburton College | 1:04.94 |
| 8 | Kelly Maxwell | Burnside High School | 1:05.54 |