| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Isla WILLIAMS | 12 | Co Leeds | 3:09.89 |
| 1 | 2 | Kasja RICKELTON | 12 | Co Leeds | 3:06.09 |
| 2 | 3 | Charlotte BIANCHI | 12 | Co Sheffield | 3:04.66 |
| 3 | 4 | Lauren SMITH | 12 | Co Leeds | 3:03.88 |
| 4 | 5 | Iona LOGAN | 12 | Co Leeds | 3:00.45 |
| 5 | 6 | Jasmine BALL | 12 | Bo Barnsley | 3:02.26 |
| 6 | 7 | Jessica SUNDERLAND | 12 | Aquabears | 3:04.64 |
| 7 | 8 | Sasha LONG | 12 | Co Leeds | 3:05.45 |
| 8 | 9 | Philippa BROMLEY | 12 | Co Leeds | 3:08.99 |
| 9 | 10 | Holly MACDONALD | 12 | Co Leeds | 3:11.77 |