| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Elena Hewitt | Long Bay College | 1:01.07q |
| 2 | Samantha Connor | Westlake Girls High School | 1:02.45q |
| 3 | Katherine McCarthny | Orewa College | 1:10.99q |
| -- | Casey Ridsdale | Long Bay College | DNS |
| -- | Anne Simpson | Kristin School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Simone Williams | Orewa College | 1:06.94q |
| 2 | Ellie Bigsby | Whangaparaoa College | 1:15.56q |
| -- | Bridget Busfield | Wentworth College | DNS |
| -- | Melissa Lucas | Whangaparaoa College | DNS |
| -- | Livvy Wilson | Kristin School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Elena Hewitt | Long Bay College | 1:02.09 |
| 2 | Samantha Connor | Westlake Girls High School | 1:04.73 |
| 3 | Simone Williams | Orewa College | 1:09.25 |
| 4 | Katherine McCarthny | Orewa College | 1:12.87 |
| -- | Ellie Bigsby | Whangaparaoa College | DNS |