| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Molly Thompson | 12 | Repton | 1:33.48 |
| 2 | 2 | Kitty Lamb | 12 | South Lincs | 1:31.51 |
| 3 | 3 | Caitlyn Richmond | 12 | Nova Cent'n | 1:30.86 |
| 4 | 4 | Isabella Parsons-Loade | 12 | NottmLeander | 1:28.07 |
| 5 | 5 | Maisie Matthews | 12 | Louth | 1:29.15 |
| 6 | 6 | Sian Hedley | 12 | Nova Cent'n | 1:31.26 |
| 7 | 7 | Laura Graham-Brown | 12 | Co Leicester | 1:31.82 |
| 8 | 8 | Islay-Mae Underwood | 12 | Kettering | 1:33.59 |