| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Meghan Byrne | 00 | Bath Univ | 4:58.74 |
| 2 | 2 | Eleanor Broughton | 06 | Repton | 4:58.60 |
| 3 | 3 | Matilda Bogle | 06 | teamipswich | 4:58.40 |
| 4 | 4 | Suzie McNair | 07 | StirlingSwim | 4:58.09 |
| 5 | 5 | Holly Robinson | 05 | Repton | 4:58.27 |
| 6 | 6 | Orla Adams | 95 | UoAPS | 4:58.51 |
| 7 | 7 | Lara Thomson | 05 | Co Leeds | 4:58.63 |
| 8 | 8 | Holly Marshall | 06 | Repton | 4:59.49 |