| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jo Slater | Westland High School | 1:04.47q |
| 2 | Ashleigh McBride | Villa Maria College | 1:07.09q |
| 3 | Liz Gilchrist | Mackenzie College | 1:07.68q |
| 4 | Anna McKay | Marlborough Girls College | 1:10.43q |
| 5 | Lisa Grant | Timaru Girls' High School | 1:11.86 |
| -- | Courtney Chapman | Craighead Diocesan School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | B Stringer | Northern Southland Colleg | 1:00.86q |
| 2 | Jaunessa Low | Rangiora High School | 1:03.89q |
| 3 | Kirsty Hay | Motueka High School | 1:05.53q |
| 4 | Lucy McIntosh | St Andrew's College | 1:08.60q |
| -- | C Harrison | St Kevin's College | DNS |
| -- | M Ryan | UNA | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | B Stringer | Northern Southland Colleg | 1:00.93 |
| 2 | Jaunessa Low | Rangiora High School | 1:01.92 |
| 3 | Jo Slater | Westland High School | 1:04.29 |
| 4 | Kirsty Hay | Motueka High School | 1:06.26 |
| 5 | Ashleigh McBride | Villa Maria College | 1:08.65 |
| 6 | Liz Gilchrist | Mackenzie College | 1:09.30 |
| -- | Lucy McIntosh | St Andrew's College | DNS |
| -- | Anna McKay | Marlborough Girls College | DNS |