| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Emily Harpur | 11 | RichmondDale | 3:58.00 |
| 2 | 3 | Eleanor Halliday | 11 | Northall'ton | 3:33.17 |
| 3 | 2 | Tristan Pickard | 11 | RichmondDale | 3:42.00 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Mark Lam | 16 | Q Ethelburga | 2:42.00 |
| 2 | 7 | Adrian Cheng | 15 | Q Ethelburga | 2:40.00 |
| 3 | 6 | Amber Ryde | 14 | RichmondDale | 2:40.13 |
| 4 | 4 | Katie Harpur | 13 | RichmondDale | 3:32.06 |