EVENT 34 Female 200m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Tabitha GODDARD | 9 | Grantham | 4:07.82 |
| 4 | 2 | Tabitha LAMBERT | 10 | Lincoln Vulc | 4:00.18 |
| 5 | 3 | Matilda HARPER | 10 | Grantham | 3:56.12 |
| 6 | 4 | Annabelle SEAGROATT | 10 | Louth | 3:47.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Niamh O'CONNOR | 12 | Louth | 3:33.61 |
| 2 | 6 | Lillian ROBSON | 11 | Lincoln Vulc | 3:33.38 |
| 3 | 7 | Erin MELLER | 12 | Louth | 3:31.17 |
| 4 | 8 | Bethany MEAKIN | 11 | Grantham | 3:29.94 |
| 5 | 9 | Jessica REEVES | 12 | Lincoln Vulc | 3:19.30 |
| 6 | 10 | Elizabeth GARLICK | 10 | Louth | 3:17.56 |
| 7 | 11 | Isla GARNETT | 11 | Lincoln Vulc | 3:15.00 |
| 8 | 12 | Nancy FRENCH | 10 | Louth | 3:15.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Yu Tsing (Trixie) CHEU | 12 | Grantham | 3:13.50 |
| 2 | 14 | Alicja ODROBINSKA | 13 | Deepings | 3:12.05 |
| 3 | 15 | Scarlett ROBERTS | 12 | Lincoln Vulc | 3:09.10 |
| 4 | 16 | Rosie FLETT | 12 | Louth | 3:08.00 |
| 5 | 17 | Evelyn NICHOLLS | 12 | Grantham | 3:07.42 |
| 6 | 18 | Florence WEBB | 11 | Louth | 3:05.00 |
| 7 | 19 | Alessia NICASSIO | 13 | Louth | 3:00.00 |
| 8 | 20 | Amelie HUNT | 12 | Deepings | 2:58.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Amaya MONTEALEGRE | 12 | Lincoln Vulc | 2:57.45 |
| 2 | 22 | Suzuki CARTER | 11 | Skegness | 2:52.19 |
| 3 | 23 | Jasmine CHEETHAM | 12 | Lincoln Vulc | 2:50.99 |
| 4 | 24 | Victoria MCKAY | 12 | Gainsborough | 2:49.66 |
| 5 | 25 | Florence HARPER | 13 | Grantham | 2:49.45 |
| 6 | 26 | Sophia CUFFLEY | 10 | Lincoln Vulc | 2:49.14 |
| 7 | 27 | Maisie DARBY | 15 | Lincoln Vulc | 2:47.76 |
| 8 | 28 | Ava-Grace GREGORY | 14 | Grantham | 2:46.49 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Sophie HARRISON | 15 | Deepings | 2:46.08 |
| 2 | 30 | Madeline SURTEES | 13 | Grantham | 2:45.41 |
| 3 | 31 | Phoebe CHARMAN | 16 | Lincoln TSA | 2:45.03 |
| 4 | 32 | Lucy ABBOTT | 14 | Grantham | 2:43.66 |
| 5 | 33 | Hollie-Ann CROOK | 11 | Grantham | 2:42.94 |
| 6 | 34 | Evie DAVIES | 13 | Deepings | 2:42.42 |
| 7 | 35 | Ella-Rose HUNTER | 13 | Lincoln Vulc | 2:41.11 |
| 8 | 36 | Ophelia GOODALE | 11 | Deepings | 2:41.01 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Amy BARKER | 12 | Lincoln Vulc | 2:40.41 |
| 2 | 38 | Poppy CHAPMAN | 14 | Louth | 2:39.96 |
| 3 | 39 | Anastasiia KUDRIAVETS | 14 | Deepings | 2:39.25 |
| 4 | 40 | Robyn CROSS | 13 | Lincoln Vulc | 2:38.22 |
| 5 | 41 | Isabelle CLAYTON | 13 | Grantham | 2:37.25 |
| 6 | 42 | Honey FLOWER | 11 | Grantham | 2:37.08 |
| 7 | 43 | Arabella PEARCE | 13 | Louth | 2:36.19 |
| 8 | 44 | Luiza KOZIOL | 17 | Lincoln TSA | 2:35.29 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 45 | Emilija IVANOVA | 17 | Boston | 2:34.81 |
| 2 | 46 | Isla SCOTT | 15 | Lincoln Vulc | 2:34.78 |
| 3 | 47 | Esme APPLEWHITE | 12 | Gainsborough | 2:33.64 |
| 4 | 48 | Zoe JONES | 13 | Louth | 2:33.26 |
| 5 | 49 | Iris FRENCH | 15 | Lincoln Vulc | 2:32.00 |
| 6 | 50 | Emma PEPPER | 14 | Deepings | 2:31.29 |
| 7 | 51 | Charlotte TURNER | 15 | Lincoln Vulc | 2:30.34 |
| 8 | 52 | Amy TAYLOR | 14 | Grantham | 2:30.12 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 54 | Madeleine SEAGROATT | 13 | Louth | 2:25.63 |
| 2 | 56 | Sally NORMAN | 38 | Boston | 2:21.93 |
| 3 | 58 | Elena ALDENHOFF-KELLY | 17 | Grantham | 2:19.38 |
| 4 | 61 | Emily TALKES | 14 | Grantham | 2:09.80 |
| 5 | 60 | Amelia BIRD | 15 | Skegness | 2:16.43 |
| 6 | 57 | Suzanna BURKE | 14 | Louth | 2:19.63 |
| 7 | 55 | Ellena HOWITT | 14 | Grantham | 2:23.70 |
| 8 | 53 | Ruby TALKES | 10 | Lincoln Vulc | 2:27.56 |