| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Mikayla Unahi | Southland Girls' High School | 1:14.57q |
| 2 | Joanna Telfer | Verdon College | 1:15.71q |
| 3 | Jess O'Neill | St Peter's College (Gore) | 1:16.96q |
| 4 | Emma Brown | Menzies College | 1:18.81 |
| -- | Kari Dickson | Central Southland College | NT |
| -- | Ashleigh Horton | Southland Girls' High School | NT |
| -- | Charissa Stewart | Menzies College | NT |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jasmine Simpson | Gore High School | 1:05.87q |
| 2 | Breanna McNeill | Wakatipu High School | 1:06.59q |
| 3 | Karen Stringer | Northern Southland College | 1:06.78q |
| 4 | Jessica Hamilton | James Hargest High School | 1:08.59q |
| 5 | Katie Telfer | Verdon College | 1:15.25q |
| -- | Holly Lewis | Southland Girls' High School | NT |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Jessica Hamilton | James Hargest High School | 1:08.21 |
| 2 | Breanna McNeill | Wakatipu High School | 1:08.39 |
| 3 | Jasmine Simpson | Gore High School | 1:09.17 |
| 4 | Karen Stringer | Northern Southland College | 1:11.82 |
| 5 | Joanna Telfer | Verdon College | 1:12.31 |
| 6 | Katie Telfer | Verdon College | 1:12.96 |
| 7 | Jess O'Neill | St Peter's College (Gore) | 1:14.26 |
| 8 | Mikayla Unahi | Southland Girls' High School | 1:14.72 |