| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Alice Best | 10 | Teesdale TS | 4:03.00 |
| 2 | 3 | Alexander Margerson | 15 | Northall'ton | 2:56.18 |
| 3 | 2 | Amaja Waters | 12 | Q Ethelburga | 3:06.71 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Adrian Cheng | 15 | Q Ethelburga | 2:50.00 |
| 2 | 6 | Abbie Hodgkinson | 15 | Northall'ton | 2:45.00 |
| 3 | 5 | Mark Lam | 16 | Q Ethelburga | 2:50.00 |