| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jemma McWilliam | Ashburton College | 1:03.02q |
| 2 | Rachel Gloag | Timaru Girls' High School | 1:03.14q |
| 3 | Biddy Skerten | Columba College | 1:04.18q |
| 4 | Zeneta Koppen-Pavlovich | Menzies College | 1:07.34 |
| 5 | Robyn Warburton | Christchurch Girls High School | 1:08.09 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kayla Frew | Ashburton College | 1:01.93q |
| 2 | Sarah Robb | Christchurch Girls High School | 1:02.80q |
| 3 | Laura Edwards | South Otago High School | 1:03.36q |
| 4 | Annalise Jackson | Cashmere High School | 1:03.84q |
| 5 | Annabelle Blue | Burnside High School | 1:06.64q |
| 6 | Charlotte Carmody | Southland Girls' High School | 1:09.66 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Biddy Skerten | Columba College | 1:01.25 |
| 2 | Kayla Frew | Ashburton College | 1:01.39 |
| 3 | Sarah Robb | Christchurch Girls High School | 1:02.10 |
| 4 | Laura Edwards | South Otago High School | 1:02.61 |
| 5 | Rachel Gloag | Timaru Girls' High School | 1:04.03 |
| 6 | Jemma McWilliam | Ashburton College | 1:04.36 |
| 7 | Annabelle Blue | Burnside High School | 1:09.87 |
| -- | Annalise Jackson | Cashmere High School | DNS |