| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Polly Anderson | 12 | West Norfolk | 3:14.63 |
| 2 | 2 | Isabelle Cowie | 12 | Watford SC | 3:13.74 |
| 3 | 3 | Cerys Wall | 12 | Co Cambridge | 3:12.61 |
| 4 | 4 | Isabelle Howlett | 12 | Norwich Swan | 3:04.79 |
| 5 | 5 | Nieve Ives | 12 | Hatfield | 3:08.88 |
| 6 | 6 | Evie Armstrong | 12 | Dunstable | 3:13.70 |
| 7 | 7 | Edith Davis | 12 | Co Peterboro | 3:14.57 |
| 8 | 8 | Olivia Pais | 12 | Co Peterboro | 3:16.07 |