| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Megan Barnes | 03 | Mt Kelly | 4:22.65 |
| 2 | 2 | Aimee Hood | 04 | Co Birm'ham | 4:22.37 |
| 3 | 3 | Jemima Hall | 01 | Bath Univ | 4:21.03 |
| 4 | 4 | Beatrice Varley | 03 | Plymouth Lea | 4:19.27 |
| 5 | 5 | Ashleigh Baillie | 06 | Co Sheffield | 4:20.33 |
| 6 | 6 | Hollie Wilson | 08 | Co Leeds | 4:22.35 |
| 7 | 7 | Amber Keegan | 97 | Co Sheffield | 4:22.61 |
| 8 | 8 | Anya Preece | 03 | Nova Cent'n | 4:23.15 |