| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Elizabeth Brown | Ashburton College | 1:06.10q |
| 2 | Ellie Hemana - Brown | Mt Hutt College | 1:11.70q |
| 3 | Michaela Goodman | Waimate High School | 1:13.20q |
| 4 | Nikole McGillivray | Timaru Girls' High School | 1:13.70 |
| 5 | Greer Lane | Craighead Diocesen School | 1:15.70 |
| -- | Stephanie Mason | Mountainview High School | NT |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Lauren Nicol | Roncalli College | 1:08.30q |
| 2 | Jahaana Katene | Timaru Girls' High School | 1:09.00q |
| 3 | Sarah Ching | Ashburton College | 1:10.60q |
| 4 | Annie Gilchrist | Mackenzie College | 1:12.50q |
| 5 | Kelsie Ellis | Craighead Diocesen School | 1:13.30q |
| -- | Jessie Dennison | Geraldine High School | NT |
| -- | Lisa Rush | Waitaki Girls' High School | NT |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Annie Gilchrist | Mackenzie College | 1:09.00 |
| 2 | Lauren Nicol | Roncalli College | 1:10.04 |
| 3 | Sarah Ching | Ashburton College | 1:10.08 |
| -- | Elizabeth Brown | Ashburton College | NT |
| -- | Kelsie Ellis | Craighead Diocesen School | NT |
| -- | Michaela Goodman | Waimate High School | NT |
| -- | Ellie Hemana - Brown | Mt Hutt College | NT |
| -- | Jahaana Katene | Timaru Girls' High School | NT |