| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Colleen DEVLIN | 18 | Stockport Mo | 1:17.21 |
| 1 | 2 | Beth ROBINSON | 16 | Stockport Mo | 1:17.04 |
| 2 | 3 | Abby MITCHELL | 16 | Leic Sharks | 1:16.47 |
| 3 | 4 | Rebecca DUNN | 17 | Co Bradford | 1:16.03 |
| 4 | 5 | Teia HENDLEY | 15 | Leamington | 1:15.49 |
| 5 | 6 | Eleanor VALENTINE-BULL | 16 | Bo Barnsley | 1:15.94 |
| 6 | 7 | Amelie ELLIOTT | 16 | Leyland Barr | 1:16.13 |
| 7 | 8 | Olivia LLOYD-JONES | 17 | Co Manch Aq | 1:16.69 |
| 8 | 9 | Maddison NUTTALL | 18 | Leamington | 1:17.10 |
| 9 | 10 | T'Neesha-Benét SMITH | 17 | Bridgefield | 1:17.52 |