| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Sophie Healey | North Harbour | 1:00.32q |
| 2 | Elena Hewitt | North Harbour | 1:00.44q |
| 3 | Kirsten Hurley | Auckland | 1:00.48q |
| 4 | Ximena Smith | Auckland | 1:00.58q |
| 5 | Samantha Connor | North Harbour | 1:01.55q |
| 6 | Rebecca Lovell | Waikato Bay of Plenty | 1:01.90 |
| 7 | Rachel Duff | Manawatu | 1:04.97 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Kathryn Kennedy | Wellington | 1:00.04q |
| 2 | Sophie Petherick | East Coast North Island | 1:00.68q |
| 3 | Katherine Camp | Waikato Bay of Plenty | 1:00.93q |
| 4 | Paige Lowe | Manawatu | 1:02.16 |
| 5 | Hinemaria Kingi | Wanganui | 1:03.57 |
| 6 | Hester Nesbitt | Wanganui | 1:05.47 |
| -- | Tayla Day | Counties Manukau | DNS |
| -- | Hannah Stotter | Wellington | DQ |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Sophie Healey | North Harbour | 58.11 |
| 2 | Elena Hewitt | North Harbour | 58.48 |
| 3 | Kathryn Kennedy | Wellington | 59.39 |
| 4 | Kirsten Hurley | Auckland | 59.94 |
| 5 | Katherine Camp | Waikato Bay of Plenty | 1:00.52 |
| 6 | Sophie Petherick | East Coast North Island | 1:01.73 |
| 7 | Ximena Smith | Auckland | 1:02.18 |
| 8 | Samantha Connor | North Harbour | 1:02.85 |