| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Megan Kikuchi | North Harbour | 58.82q |
| 2 | Tarryn Davey | Waikato Bay of Plenty | 1:00.43q |
| 3 | Bailey Gore | Waikato Bay of Plenty | 1:01.44q |
| 4 | Emilee Marr | Wanganui | 1:04.10q |
| 5 | Marie Ohlms | Manawatu | 1:06.64 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Talia Horgan | Waikato Bay of Plenty | 1:00.75q |
| 2 | Lucy Jacobs | North Harbour | 1:01.19q |
| 3 | Celine Pearn | Auckland | 1:01.48q |
| 4 | Diana Solis | Manawatu | 1:02.40q |
| 5 | Kayla Manuirirangi | Taranaki | 1:05.12 |
| -- | Jessie Hodges | Waikato Bay of Plenty | DNS |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Talia Horgan | Waikato Bay of Plenty | 56.26 |
| 2 | Megan Kikuchi | North Harbour | 57.36 |
| 3 | Tarryn Davey | Waikato Bay of Plenty | 59.58 |
| 4 | Celine Pearn | Auckland | 1:00.30 |
| 5 | Bailey Gore | Waikato Bay of Plenty | 1:00.86 |
| 6 | Lucy Jacobs | North Harbour | 1:01.95 |
| 7 | Diana Solis | Manawatu | 1:02.72 |
| 8 | Emilee Marr | Wanganui | 1:02.83 |