EVENT 203 Girls Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 3 | Ella CHOWN | 11 | Co St Albans | 2:53.71 |
| 2 | 9 | Poppy RICHARDSON | 12 | Co Peterboro | 2:39.20 |
| 3 | 15 | Millie EMMANS | 14 | Co Cambridge | 2:40.80 |
| 4 | 21 | Christie WOODS | 13 | Co Peterboro | 2:35.50 |
| 5 | 18 | Hanna JASZKIEWICZ | 14 | Co Peterboro | 2:34.70 |
| 6 | 12 | Amber SHINE | 13 | Hatfield | 2:48.25 |
| 7 | 6 | Kaelah LAWSON | 11 | Modernians | 3:03.69 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 4 | Lucie PECK | 11 | UEA Norwich | 2:54.28 |
| 2 | 10 | Sophie PICKERING | 13 | teamipswich | 2:38.29 |
| 3 | 16 | Tegan WOLLASTON | 14 | Cheshunt | 2:50.89 |
| 4 | 22 | Shannon STOTT | 13 | Co St Albans | 2:29.10 |
| 5 | 19 | Megan COOK | 14 | Bishop Stort | 2:46.65 |
| 6 | 13 | Amie PHILPOT | 12 | teamipswich | 2:52.96 |
| 7 | 7 | Josie PRETIOUS-WHITE | 12 | Bishop Stort | 3:04.90 |
| 8 | 1 | Libby MAGILL | 10 | Hatfield | 3:21.29 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Megan JARMAN | 12 | Co St Albans | 2:54.91 |
| 2 | 11 | Hannah CURRELL | 14 | Flitwick | 2:46.23 |
| 3 | 17 | Jordanne SILLITOE | 14 | West Suffolk | 2:39.23 |
| 4 | 23 | Katherine BROWN | 14 | Co Peterboro | 2:18.60 |
| 5 | 20 | Amy YOUNG | 14 | Bishop Stort | 2:41.96 |
| 6 | 14 | Imogen COOKE | 13 | UEA Norwich | 2:47.65 |
| 7 | 8 | Chloe LENCE | 12 | Modernians | 2:54.63 |
| 8 | 2 | Lauren STOTT | 11 | Co St Albans | 2:55.07 |