| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Amy CONNER | 18 | Black Lion | 1:23.41 |
| 1 | 2 | Ella-Louise DOYLE | 18 | Gwich Royals | 1:22.02 |
| 2 | 3 | Leah WATSON | 17 | Black Lion | 1:21.55 |
| 3 | 4 | Natasha GREER | 17 | Gwich Royals | 1:18.79 |
| 4 | 5 | Lan LE | 17 | Bexley | 1:16.54 |
| 5 | 6 | Molly LOWN | 19 | Dover Life | 1:17.75 |
| 6 | 7 | Chloe DESIDERIO | 17 | Dover Life | 1:21.06 |
| 7 | 8 | Jessica GOODWIN | 18 | Black Lion | 1:21.68 |
| 8 | 9 | Nicole QUILLER | 17 | Maidstone SC | 1:22.16 |
| 9 | 10 | Erin O'HARA | 18 | Saxon Crown | 1:23.50 |