| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sian English | Columba College | 1:05.94q |
| 2 | Katie Mullholland | Taieri College | 1:08.85q |
| 3 | Natalie Hill | St Hilda's | 1:09.68q |
| 4 | Charlotte Homan | KAVANAGH | 1:09.98q |
| 5 | Zoe McBride | KAVANAGH | 1:12.40q |
| -- | Kelly Makoni | James Hargest High School | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Hannah Adamson | Southland Girls' High School | 1:06.46q |
| 2 | Anna Cross | Otago Girls High School | 1:09.62q |
| 3 | Christie Tippett | James Hargest High School | 1:10.23q |
| -- | Rhiannon Mahon | Southland Girls' High School | DNS |
| -- | Equaline Rorovanua | Cromwell | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Hannah Adamson | Southland Girls' High School | 1:03.50 |
| 2 | Sian English | Columba College | 1:06.73 |
| 3 | Anna Cross | Otago Girls High School | 1:09.45 |
| 4 | Katie Mullholland | Taieri College | 1:09.56 |
| 5 | Charlotte Homan | KAVANAGH | 1:10.00 |
| 6 | Christie Tippett | James Hargest High School | 1:10.27 |
| 7 | Natalie Hill | St Hilda's | 1:10.49 |
| 8 | Zoe McBride | KAVANAGH | 1:16.36 |