| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Ellie McCleery | Waikato Bay of Plenty | 58.34q |
| 2 | Mackenzie Riddick | Taranaki | 1:02.15q |
| 3 | Sarah Jones | Auckland | 1:03.29q |
| 4 | Michelle Allbury | Auckland | 1:03.48q |
| -- | Grace Stewart | North Harbour | DNS |
| -- | Amber Walker | Wanganui | DQ |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Briar Lourie | Wanganui | 1:01.93q |
| 2 | Jamie Sowter | Auckland | 1:02.28q |
| 3 | Rebecca Foster | Waikato Bay of Plenty | 1:02.86q |
| 4 | Caitlin Bedlington | Wellington | 1:05.49q |
| 5 | Steffi Burrows | North Harbour | 1:06.09 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Ellie McCleery | Waikato Bay of Plenty | 55.50 |
| 2 | Briar Lourie | Wanganui | 59.64 |
| 3 | Jamie Sowter | Auckland | 59.78 |
| 4 | Sarah Jones | Auckland | 1:01.04 |
| 5 | Mackenzie Riddick | Taranaki | 1:02.36 |
| 6 | Rebecca Foster | Waikato Bay of Plenty | 1:03.03 |
| 7 | Michelle Allbury | Auckland | 1:03.51 |
| 8 | Caitlin Bedlington | Wellington | 1:04.73 |