EVENT 202 Girls Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 2 | Becky WHITTAKER | 9 | Calv Bing | 3:37.20 |
| 4 | 4 | Hermione BLACKWOOD | 11 | Calv Bing | 3:20.20 |
| 5 | 3 | Jessica-May ELLIOTT | 9 | Northampton | 3:29.25 |
| 6 | 1 | Chloe BAXTER | 9 | Co Leicester | 4:09.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Ianthe BRITTAIN | 11 | Co Leicester | 3:20.00 |
| 2 | 8 | Taylor O'ROURKE | 11 | Northampton | 3:18.70 |
| 3 | 10 | Isobel HUME | 12 | Northampton | 2:58.80 |
| 4 | 12 | Kelsey GILES | 13 | Calv Bing | 2:54.20 |
| 5 | 11 | Merel HIJINK | 11 | Northampton | 2:56.40 |
| 6 | 9 | Hollie LYNCH | 11 | Co Leicester | 3:15.00 |
| 7 | 7 | Lauren BROWNE | 11 | Co Peterboro | 3:19.20 |
| 8 | 5 | Rhiannon CHILES | 11 | Co Leicester | 3:20.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 14 | Niamh ALLEN | 13 | Co Leicester | 2:50.00 |
| 2 | 16 | Lily O'BRIEN | 14 | Leamington | 2:43.96 |
| 3 | 18 | Nathalie REUSS | 13 | Co Peterboro | 2:39.86 |
| 4 | 20 | Seren MAHON | 15 | Strat Sharks | 2:35.08 |
| 5 | 19 | Freya STEVENS | 13 | Northampton | 2:39.05 |
| 6 | 17 | Maisie ELLIOTT | 11 | Co Leicester | 2:41.00 |
| 7 | 15 | Holly JASZKIEWICZ | 12 | Co Peterboro | 2:49.39 |
| 8 | 13 | Lauren GRICE | 12 | Coalville | 2:50.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 22 | Phoebe DOWNES | 14 | Northampton | 2:34.10 |
| 2 | 24 | Kate BUCKLEY | 17 | Northampton | 2:32.54 |
| 3 | 26 | Milly SCOTCHBROOK | 14 | Co Leicester | 2:29.30 |
| 4 | 28 | Christie WOODS | 14 | Co Peterboro | 2:26.88 |
| 5 | 27 | Danielle THWAITES | 18 | Loughboro Un | 2:27.56 |
| 6 | 25 | Hanna JASZKIEWICZ | 14 | Co Peterboro | 2:30.60 |
| 7 | 23 | Chelsea MCKAY | 12 | Co Leicester | 2:32.74 |
| 8 | 21 | Poppy RICHARDSON | 13 | Co Peterboro | 2:34.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 30 | Joy WILLETT | 16 | Co Leicester | 2:21.60 |
| 2 | 32 | Candice HALL | 16 | Co Leicester | 2:17.00 |
| 3 | 34 | Lily WEST | 17 | Hatfield | 2:13.50 |
| 4 | 36 | Elena SHERIDAN | 19 | Loughboro Un | 2:07.61 |
| 5 | 35 | Isobel GRANT | 16 | Co Sheffield | 2:10.20 |
| 6 | 33 | Harriet WEST | 17 | Co Leicester | 2:14.35 |
| 7 | 31 | Philippa SHUTTLEWORTH | 17 | Hatfield | 2:19.10 |
| 8 | 29 | Sophie CULPIN | 17 | Grantham | 2:23.36 |