EVENT 202 Female 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Elizabeth MILNE | 11 | Flitwick | |
| 4 | 4 | Florence GILL | 10 | Epping For't | 4:10.00 |
| 5 | 3 | Saxon SWANN | 13 | Corby | |
| 6 | 1 | Olivia PIASKOWSKA | 12 | Dunstable | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Amelie MURRAY | 11 | Epping For't | 4:00.00 |
| 2 | 8 | Bella STOREY | 10 | Flitwick | 3:58.57 |
| 3 | 10 | Josephine BROWN | 11 | Linslade | 3:51.84 |
| 4 | 12 | Elsie COLE | 11 | Epping For't | 3:39.07 |
| 5 | 11 | Chloe FIRTH | 13 | Epping For't | 3:43.56 |
| 6 | 9 | Lucy BISCOE | 9 | Team Luton | 3:52.16 |
| 7 | 7 | Charley COOK | 12 | Flitwick | 3:59.95 |
| 8 | 5 | Olivia DE SOUSA REIS | 10 | Epping For't | 4:00.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Sarah APOSTOL | 11 | Epping For't | 3:16.87 |
| 2 | 16 | Arabella BEEVERS | 13 | Bo Southend | 3:07.36 |
| 3 | 18 | Isobel MCKAY | 13 | Epping For't | 2:47.78 |
| 4 | 21 | Amy MEYER | 15 | Biggleswade | 2:32.60 |
| 5 | 19 | Florence WHITTAKER | 14 | Biggleswade | 2:42.10 |
| 6 | 17 | Emily JOYCE | 12 | Biggleswade | 2:59.20 |
| 7 | 15 | Elissa NEO | 12 | Linslade | 3:07.62 |
| 8 | 13 | Charlotte CARTER | 12 | Epping For't | 3:21.29 |