| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Kameliya Stoimenova | 03 | Swansea Uni | 2:33.78 |
| 2 | 2 | Maia Hall | 02 | N & D PP SC | 2:33.35 |
| 3 | 3 | Amy Crowley | 05 | Co Cardiff | 2:32.13 |
| 4 | 4 | Sophie Brassington | 06 | Mt Kelly | 2:31.55 |
| 5 | 5 | Theodora Taylor | 09 | Torfaen D | 2:31.96 |
| 6 | 6 | Carys O'Reilly | 03 | Co Sheffield | 2:32.97 |
| 7 | 7 | Sophie Moore | 05 | Crawley | 2:33.77 |
| 8 | 8 | Holly Robinson | 05 | Repton | 2:33.81 |