EVENT 603 Female 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 3 | Tierney FOX | 13 | Biggleswade | |
| 3 | 5 | Rose TURNER | 12 | Biggleswade | |
| 4 | 7 | Tali FROOME | 13 | Harpenden | |
| 5 | 6 | Ines BADDI | 12 | Linslade | |
| 6 | 4 | Ruby FREEMAN | 11 | Newport Pag | |
| 7 | 2 | Lily PRESTON | 9 | TigersJersey | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Anessa LO | 13 | Harpenden | |
| 2 | 11 | Demi COOPER | 12 | Linslade | |
| 3 | 14 | Tilly SCRIVENER | 10 | Team Luton | |
| 4 | 16 | Olivia CHENEY | 12 | Harpenden | |
| 5 | 15 | Ella THOMAS | 10 | Linslade | |
| 6 | 13 | Yiqiao ZHU | 15 | Harpenden | |
| 7 | 10 | Renee TAN | 11 | Newport Pag | |
| 8 | 8 | Lilian STEPHENSON | 12 | Newport Pag | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Rahil ABWOOLI | 10 | TigersJersey | 4:50.70 |
| 2 | 21 | Tia ELSEY | 10 | Linslade | 4:30.20 |
| 3 | 23 | Lola SAMUELS | 10 | Linslade | 4:20.20 |
| 4 | 25 | Lilia DODDS | 12 | Newport Pag | 4:04.70 |
| 5 | 24 | Madison DEACON | 13 | Linslade | 4:17.00 |
| 6 | 22 | Beatrice PLANT | 11 | Haringey | 4:28.60 |
| 7 | 20 | Eliza BARFORD | 11 | Linslade | 4:42.50 |
| 8 | 17 | Delia MATA | 12 | Newport Pag | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Thea SLATER | 12 | Team Luton | 4:01.90 |
| 2 | 30 | Emilie HIGGS | 14 | Newport Pag | 3:45.10 |
| 3 | 32 | Imogen STOW-HAZELL | 11 | Harpenden | 3:44.00 |
| 4 | 38 | Coral TURNER | 13 | Biggleswade | 3:32.60 |
| 5 | 35 | Tilly HOWELLS | 11 | Verulam | 3:37.90 |
| 6 | 31 | SIAO-SIAO GUO | 12 | Broomfield | 3:45.00 |
| 7 | 28 | Lauren IBBOTSON | 10 | Linslade | 3:58.00 |
| 8 | 26 | Ariella BURR | 9 | Biggleswade | 4:02.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Victoria GRANT | 10 | TigersJersey | 3:28.60 |
| 2 | 42 | Alice WILSON | 13 | New Hall | 3:20.30 |
| 3 | 45 | Eliza JENNINGS | 12 | Biggleswade | 3:15.80 |
| 4 | 47 | Emily MEYLER | 13 | Watford SC | 3:11.80 |
| 5 | 46 | Nicole CASHIN | 14 | Team Luton | 3:14.14 |
| 6 | 44 | Shloka CHHEDA-VARMA | 13 | Haringey | 3:17.20 |
| 7 | 41 | ELLA PIXNER | 16 | Broomfield | 3:24.20 |
| 8 | 39 | Clara LEON | 12 | Team Luton | 3:31.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 49 | Hailey Hong Yuen LEUNG | 13 | Harpenden | 3:10.30 |
| 2 | 52 | Tabitha WEBBER | 16 | Watford SC | 3:07.60 |
| 3 | 55 | Matilda HANNAM | 12 | Newport Pag | 3:02.20 |
| 4 | 57 | Isabel WHITE | 14 | Biggleswade | 2:50.47 |
| 5 | 56 | Heather ELRICK | 15 | Newport Pag | 3:00.90 |
| 6 | 53 | Caelia RANDALL | 15 | Watford SC | 3:04.70 |
| 7 | 50 | Isabelle COWIE | 12 | Wycombe Dist | 3:09.30 |
| 8 | 48 | Sophie THACKRAH | 14 | Linslade | 3:11.60 |