Records
| Place | Name | Age | Centre | Final | H. |
|---|---|---|---|---|---|
| 1 | 37885 Ella Penman | Dubbo | 55.49 | 3 | |
| 2 | 31623 Shari Hurdman | Macquarie Hunter | 55.70 | 3 | |
| 3 | 1563 Samara Bond | Ku-Ring-Gai | 57.65 | 3 | |
| 4 | 22304 Amelie Hugo | Katoomba | 58.54 | 3 | |
| 5 | 24966 Loen Sevastos | Wollongong City | 58.55 | 3 | |
| 6 | 29166 Sienna Scahill | Woy Woy Peninsula | 58.96 | 3 | |
| 7 | 2218 Ainslie McNally | Hills District | 59.11 | 3 | |
| 8 | 1093 Claudia Meaker | Balmain | 59.82 | 2 | |
| 9 | 28465 Aiva Pinches | A.N.L | 1:00.19 | 3 | |
| 10 | 9359 Rani Sharma | Cherrybrook | 1:00.67 | 2 | |
| 11 | 23641 Jessi Fotheringham | Tamworth | 1:00.89 | 2 | |
| 12 | 2660 Isobel Usher | Port Hacking | 1:00.96 | 2 | |
| 13 | 13041 Ledia Ekoue | Canterbury | 1:01.00 | 1 | |
| 14 | 1863 Marley McKenzie | Hills District | 1:01.47 | 2 | |
| 15 | 13022 Tilly Iveson | Canterbury | 1:01.72 | 1 | |
| 16 | 31569 Caitlin Brennan | Nth Rocks Carlin | 1:02.00 | 2 | |
| 17 | 17443 Erika Enderby | Kotara South | 1:02.21 | 1 | |
| 18 | 31170 Eve Simpson | Manly Warringah | 1:02.22 | 1 | |
| 19 | 10414 Eliza Marsh | Revesby Workers | 1:02.47 | 2 | |
| 20 | 19337 Grace Adlington | Port Macquarie | 1:02.98 | 2 | |
| 21 | 12054 Israa Andrist | Bankstown Aths | 1:03.10 | 1 | |
| -- | 3113 Tiarna Green | Camden | DNS | 1 | |
| -- | 4971 Laylah Connelly | Shoalhaven | DNS | 1 | |
| -- | 5839 Kaitlyn Martin | Ryde | DNS | 1 |