| Heat Number - 1 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Beatrice HARRISON | 10 | Tynemouth | 3:32.00 |
| 3 | 3 | Alice BEST | 11 | Teesdale TS | 3:20.00 |
| 4 | 2 | Chloe TAYLOR | 10 | Guisborough | 3:25.50 |
| Heat Number - 2 | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Olivia NORTHEY | 14 | Tynemouth | 3:10.00 |
| 2 | 6 | Emily ROBERTS | 12 | Chester Le S | 2:51.60 |
| 3 | 8 | Beth RICHARDSON | 15 | Tynemouth | 2:24.50 |
| 4 | 7 | Lauren HEPPELL | 18 | Chester Le S | 2:31.23 |
| 5 | 5 | Thea ONIONS | 14 | Teesdale TS | 3:07.05 |