| Final | ||||||
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 0 | 1 | Chloe DESIDERIO | 17 | Dover Life | 1:09.36 | |
| 1 | 2 | Isla MARSHALL | 18 | RTW Monson | 1:08.77 | |
| 2 | 3 | Freya JOHNSTON | 18 | Ashford Sch | 1:07.77 | |
| 3 | 4 | Jessica GABLE | 17 | RTW Monson | 1:06.25 | |
| 4 | 5 | Annabel SMITH | 21 | Bromley | 1:04.43 | |
| 5 | 6 | Lola BURNS | 18 | Beckenham | 1:05.98 | |
| 6 | 7 | Blythe JOLLEY-ELLIS | 20 | Orpington OJ | 1:06.73 | |
| 7 | 8 | Callie-Ann WARRINGTON | 24 | S10 | RTW Monson | 1:07.86 |
| 8 | 9 | Amelia TOVEY | 17 | Sevenoaks | 1:08.95 | |
| 9 | 10 | Abbie OUTRAM | 18 | Black Lion | 1:09.55 | |