| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Layla Black | 18 | Co Leeds | 1:13.77 |
| 1 | 2 | Abigail Hurst | 17 | Millfield | 1:12.74 |
| 2 | 3 | Amy Bell | 18 | Co Sheffield | 1:11.97 |
| 3 | 4 | Katie Robertson | 17 | Sth Ayrshire | 1:10.84 |
| 4 | 5 | Annabel Guye-Johnson | 18 | RTW Monson | 1:08.83 |
| 5 | 6 | Tatiana Belonogoff | 17 | Guildford Ct | 1:10.43 |
| 6 | 7 | Rachel Taylor | 18 | Newcastle | 1:11.93 |
| 7 | 8 | Lily Booker | 17 | Millfield | 1:12.12 |
| 8 | 9 | Aiyana Lawson | 17 | Co Milton K | 1:13.32 |
| 9 | 10 | Maia Little | 18 | Co Oxford | 1:14.34 |