| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Charlotte Rigg | 15 | Co Birm'ham | 5:05.41 |
| 1 | 2 | Elizabeth Kingham | 15 | Co Birm'ham | 5:05.20 |
| 2 | 3 | Eleanor Cowan | 15 | Wycombe Dist | 5:04.93 |
| 3 | 4 | Mia Leech | 15 | Co Peterboro | 5:04.67 |
| 4 | 5 | Amelia Monaghan | 15 | Co Peterboro | 4:57.58 |
| 5 | 6 | Gaia Alcaras | 15 | Aberdeen Per | 5:00.62 |
| 6 | 7 | Olivia Miles | 15 | Thanet Swim | 5:04.92 |
| 7 | 8 | Amy Corcoran | 15 | KingstonHull | 5:05.13 |
| 8 | 9 | Ellie Wheeler | 15 | Basildon Ph | 5:05.38 |
| 9 | 10 | Ruby Palmer | 15 | Co Leeds | 5:07.90 |