| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Violet French | 13 | Wellingboro | 1:39.91 |
| 2 | 2 | Esme Smith | 13 | Corby | 1:39.28 |
| 3 | 3 | Everly Favier | 13 | Wellingboro | 1:36.59 |
| 4 | 4 | Eleni Williams | 13 | Corby | 1:26.85 |
| 5 | 5 | Vida Coulson | 13 | Northampton | 1:29.29 |
| 6 | 6 | Megan James | 13 | Wellingboro | 1:39.09 |
| 7 | 7 | Emma Chirila | 13 | Kettering | 1:39.37 |
| 8 | 8 | Isla Adams | 13 | Northampton | 1:41.36 |