EVENT 402 Female 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Alicja ODROBINSKA | 13 | Deepings | |
| 2 | 2 | Emmeline GLEAVE | 10 | Grantham | |
| 3 | 3 | Anastasiia KUDRIAVETS | 13 | Deepings | |
| 4 | 4 | Hollie-Ann CROOK | 11 | Grantham | |
| 5 | 5 | Niamh KERRIGAN | 11 | Co Lincoln P | |
| 6 | 6 | Evie DAVIES | 12 | Deepings | |
| 7 | 7 | Freya HUGHES | 12 | Co Lincoln P | |
| 8 | 8 | Isobel DELDERFIELD | 11 | Co Lincoln P | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Amaya MONTEALEGRE | 12 | Lincoln Vulc | 3:55.00 |
| 2 | 12 | Annabel SHEPHERD | 13 | Deepings | 3:14.07 |
| 3 | 14 | Emilija IVANOVA | 16 | Boston | 2:56.60 |
| 4 | 16 | CHARLOTTE JENKINSON | 15 | Co Peterboro | 2:42.14 |
| 5 | 15 | Megan RUTT | 15 | Boston | 2:50.65 |
| 6 | 13 | Lottie Ava FLATTERS | 12 | Deepings | 3:00.63 |
| 7 | 11 | Katie BEASTALL | 12 | Co Lincoln P | 3:42.86 |
| 8 | 9 | Sophie HARRISON | 14 | Deepings | 4:12.21 |