| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Lea Bromwich | 17 | Corby | 1:15.02 |
| 2 | 2 | Orla Eyton-Jones | 17 | Corby | 1:12.92 |
| 3 | 3 | Harriet Casey | 17 | Corby | 1:10.93 |
| 4 | 4 | Elise Sophia Kendall | 17 | Corby | 1:09.20 |
| 5 | 5 | Isabel Sharp | 17 | Northampton | 1:10.89 |
| 6 | 6 | Arabella Scotney | 18 | Rushden | 1:12.03 |
| 7 | 7 | Izzy Bach | 17 | Kettering | 1:13.47 |
| 8 | 8 | Summer York | 17 | Corby | 1:15.14 |