| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sian English | Columba College | 1:05.53q |
| 2 | Natalie Hill | St Hilda's Collegiate | 1:08.61q |
| 3 | Katie Mullholland | Taieri College | 1:09.75q |
| 4 | Anna McFarlane | Columba College | 1:14.19 |
| 5 | Ginny Wilson | St Hilda's Collegiate | 1:14.31 |
| -- | Rebekah Clydesdale | Taieri College | DNS |
| -- | lisa nolan | St Kevin's College | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Anna Cross | Otago Girls High School | 1:07.04q |
| 2 | Charlotte Homan | Kavanagh College | 1:07.71q |
| 3 | Equaline Rorovanua | Cromwell College | 1:11.65q |
| 4 | Zoe McBride | Kavanagh College | 1:11.90q |
| 5 | Hannah Ker | Columba College | 1:12.34q |
| -- | Danielle De Caigney | Queens High School | DNS |
| -- | Violet Kumar | Queens High School | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Sian English | Columba College | 1:05.28 |
| 2 | Charlotte Homan | Kavanagh College | 1:07.90 |
| 3 | Anna Cross | Otago Girls High School | 1:08.89 |
| 4 | Natalie Hill | St Hilda's Collegiate | 1:08.92 |
| 5 | Katie Mullholland | Taieri College | 1:09.56 |
| 6 | Zoe McBride | Kavanagh College | 1:10.97 |
| 7 | Hannah Ker | Columba College | 1:12.06 |
| 8 | Equaline Rorovanua | Cromwell College | 1:12.08 |