| Name | Age | Club | Time | Splits | ||
| 1 | Lucy C Ellis | 14 | Dunedin | 57.77 | 28.42 | 57.77 |
| 2 | Nicole Wilson | 15 | Hearts | 58.22 | 28.59 | 58.22 |
| 3 | Eloise Barber | 14 | Carnegie | 58.49 | 28.31 | 58.49 |
| 4 | Rosie Hood | 15 | Warrender | 59.92 | 29.23 | 59.92 |
| 5 | Jennifer A Davis | 15 | Carnegie | 1:00.61 | 29.08 | 1:00.61 |
| 6 | Nicola Whyte | 14 | Fins | 1:01.69 | 29.57 | 1:01.69 |