| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | William Howard | 13 | Northall'ton | 3:21.63 |
| 2 | 3 | Drew Chesters | 14 | Guisborough | 3:06.11 |
| 3 | 5 | Isaac Murray | 16 | Northall'ton | 2:38.50 |
| 4 | 4 | Jack Leggott | 11 | Northall'ton | 3:05.96 |
| 5 | 2 | Oliver Davison | 12 | Northall'ton | 3:16.00 |