| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Molly LEE | 14 | West Norfolk | 1:20.51 |
| 2 | 2 | Chloe OGDEN | 14 | Bishop Stort | 1:20.24 |
| 3 | 3 | Honey HARVEY | 14 | UEA Norwich | 1:19.68 |
| 4 | 4 | Molly FRANCIS | 14 | Hatfield | 1:19.33 |
| 5 | 5 | Abigail HURST | 14 | Berkhamsted | 1:19.44 |
| 6 | 6 | Aiyana LAWSON | 14 | Modernians | 1:20.13 |
| 7 | 7 | Molly BOW | 14 | Mid Beds | 1:20.46 |
| 8 | 8 | Lauren HARRISON | 14 | Co Peterboro | 1:21.53 |