| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Rebecca Gibson | St Peter's College (Gore) | 1:00.85q |
| 2 | Abbey Gould | St Hilda's Collegiate | 1:02.55q |
| 3 | Sophie Tapper | Rangi Ruru Girls' School | 1:02.71q |
| 4 | Susanna Greaves | Queens High School | 1:08.10q |
| -- | Jo Scott | Waitaki Girls' High School | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Anna Boulton | Ashburton College | 1:02.00q |
| 2 | Fiona Brown | Craighead Diocesan School | 1:05.69q |
| 3 | Kate McDonald | Burnside High School | 1:07.79q |
| 4 | Selena Andreassen | Nelson College For Girls | 1:10.40q |
| -- | Josie Hampton | Christchurch Girls High School | DNS |
| -- | Lydia Langley | St Kevin's College | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Rebecca Gibson | St Peter's College (Gore) | 59.03 |
| 2 | Anna Boulton | Ashburton College | 1:00.34 |
| 3 | Abbey Gould | St Hilda's Collegiate | 1:01.33 |
| 4 | Sophie Tapper | Rangi Ruru Girls' School | 1:02.27 |
| 5 | Fiona Brown | Craighead Diocesan School | 1:05.08 |
| 6 | Susanna Greaves | Queens High School | 1:07.01 |
| 7 | Kate McDonald | Burnside High School | 1:08.88 |
| -- | Selena Andreassen | Nelson College For Girls | DNS |