| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Jaxon PICKUP | 10 | Southport | |
| 2 | 3 | George KEARY | 12 | Southport | 59.14 |
| 3 | 5 | Alex DOYLE | 11 | Southport | 55.14 |
| 4 | 4 | Max WISSE | 10 | Southport | 58.39 |
| 5 | 2 | Luke KERSHAW | 9 | Southport | 1:15.33 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Flynn ROBINSON | 10 | Southport | 49.72 |
| 2 | 9 | Cameron AYRES | 17 | Southport | 32.40 |
| 3 | 11 | Charles KELLY | 19 | Southport | 29.90 |
| 4 | 10 | Flynn SMITH | 17 | Southport | 32.01 |
| 5 | 8 | Logan BYRNE | 12 | Southport | 39.50 |
| 6 | 6 | Douglas JONES | 12 | Southport | 50.07 |