| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Jessica Garlick | Villa Maria College | 1:05.59q |
| 2 | Audrey Hill | St Andrew's College | 1:08.61q |
| 3 | Melanie Crowther | Avonside Girls High Schoo | 1:11.89q |
| 4 | Nicolasa Fuller | Christchurch Girls High S | 1:14.70 |
| 5 | Emily Winter | Burnside High School | 1:23.92 |
| -- | Alesha Beedles | Mairehau High School | DNS |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Alice Sharples | Rangi Ruru Girls School | 1:04.50q |
| 2 | Shay Robinson | Burnside High School | 1:11.73q |
| 3 | India Sorby | Avonside Girls High Schoo | 1:13.03 |
| 4 | Alexis Cartwright | Lincoln High School | 1:17.17 |
| 5 | Gi Bbeum Jang | Middleton Grange | 1:20.20 |
| 6 | Sinnead Rennell | Villa Maria College | 1:20.69 |
| Placing | Athlete | Team | Preliminaries |
|---|---|---|---|
| 1 | Brooke Kennedy | Avonside Girls High Schoo | 1:06.69q |
| 2 | Molly Lyons | Villa Maria College | 1:07.79q |
| 3 | Jemma Forsyth | Rangi Ruru Girls School | 1:11.75q |
| 4 | Brittney Dench | Kaiapoi High School | 1:17.63 |
| 5 | Rachael Gibson | Hornby High School | 1:22.32 |
| 6 | Chantal Mackle | Combined Country High Sch | 1:25.77 |
| Placing | Athlete | Team | Finals |
|---|---|---|---|
| 1 | Alice Sharples | Rangi Ruru Girls School | 1:01.10 |
| 2 | Jessica Garlick | Villa Maria College | 1:02.79 |
| 3 | Brooke Kennedy | Avonside Girls High Schoo | 1:03.61 |
| 4 | Molly Lyons | Villa Maria College | 1:05.38 |
| 5 | Shay Robinson | Burnside High School | 1:08.12 |
| 6 | Jemma Forsyth | Rangi Ruru Girls School | 1:08.30 |
| 7 | Melanie Crowther | Avonside Girls High Schoo | 1:08.46 |
| 8 | Audrey Hill | St Andrew's College | 1:08.96 |