| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Isabelle Godfrey | 15 | Co St Albans | 29.40 |
| 2 | 2 | Freya Harwood | 15 | Hitchin | 29.17 |
| 3 | 3 | Jessica Keogh | 15 | Hatfield | 29.10 |
| 4 | 4 | Millie Fields | 15 | Bishop Stort | 27.88 |
| 5 | 5 | Ellie Holliss | 15 | Co St Albans | 28.13 |
| 6 | 6 | Bethan Fuge | 15 | Hatfield | 29.14 |
| 7 | 7 | Harriet Clements | 15 | Watford SC | 29.17 |
| 8 | 8 | Caitlin O'Toole | 15 | Royston | 29.60 |