| Final | ||||||
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 1 | 1 | Iona Winnifrith | 11 | SB7 | Tonbridge | 1:35.79 |
| 2 | 2 | Brock Whiston | 96 | SB8 | Bark & Dagen | 1:22.40 |
| 3 | 3 | Poppy Maskill | 05 | SB14 | Alsager | 1:18.89 |
| 4 | 4 | Louise Fiddes | 01 | SB14 | Hatfield | 1:16.70 |
| 5 | 5 | Rebecca Redfern | 99 | SB13 | Worcester | 1:16.71 |
| 6 | 6 | Siena Oxby | 07 | SB14 | Stockport Mo | 1:19.25 |
| 7 | 7 | Maisie Summers-Newton | 02 | SB6 | Northampton | 1:32.68 |
| 8 | 8 | Grace Harvey | 98 | SB5 | Hoddesdon | 1:43.83 |