| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | IZZY CHOULES | 12 | Northall'ton | 4:10.80 |
| 2 | 3 | NATHAN LOFTHOUSE | 12 | Northall'ton | 3:32.27 |
| 3 | 2 | EVA BAILEY | 13 | Northall'ton | 3:47.90 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | FINLEY WHITELEY | 14 | Northall'ton | 3:15.60 |
| 2 | 6 | JAMES SLEIGHT | 14 | Saltburn Mar | 2:46.91 |
| 3 | 5 | OLIVER PRICE | 12 | Saltburn Mar | 3:02.10 |