| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Niamh SWEENEY | 16 | Darlington | 29.71 |
| 1 | 2 | Emma BLAIR | 16 | Aquabears | 29.24 |
| 2 | 3 | Elizabeth PERRY | 18 | Wetherby | 28.70 |
| 3 | 4 | Ruby DAGLESS | 13 | Dereham | 28.61 |
| 4 | 5 | Alice THICKETT | 16 | Co Sheffield | 28.04 |
| 5 | 6 | Amber DOWNHAM | 13 | Chesterfield | 28.57 |
| 6 | 7 | Jessica TEALE | 15 | Co Leeds | 28.63 |
| 7 | 8 | Bethany JORDAN | 17 | Co Wakefield | 29.03 |
| 8 | 9 | Katie HIRST | 17 | Co Sheffield | 29.56 |
| 9 | 10 | Hannah WRIGHT | 15 | Chester Le S | 29.89 |