EVENT 11 Girl Open 200m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Lottie Ava FLATTERS | 9 | Deepings | 4:55.00 |
| 4 | 2 | Annabella WALKER | 11 | Lincoln Vulc | 4:40.21 |
| 5 | 3 | Lucy JENKINSON | 10 | Deepings | 4:17.19 |
| 6 | 4 | Emma AFFLECK | 10 | Deepings | 3:54.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Emily HUNT | 12 | Lincoln Vulc | 3:51.99 |
| 2 | 6 | Kirsten RICHARDSON | 12 | Louth | 3:50.00 |
| 3 | 7 | Lily-May CRANE | 11 | Grantham | 3:44.53 |
| 4 | 8 | Chelsea TODD | 12 | Lincoln Vulc | 3:44.30 |
| 5 | 9 | Amy TAYLOR | 10 | Grantham | 3:43.04 |
| 6 | 10 | Jessica WHITFIELD | 12 | Grantham | 3:42.57 |
| 7 | 11 | Chloe BELLIS | 10 | Deepings | 3:41.28 |
| 8 | 12 | Lily HINSON | 12 | Lincoln Vulc | 3:37.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Ellena HOWITT | 10 | Grantham | 3:31.50 |
| 2 | 14 | Lexie SHEWAN | 11 | Grantham | 3:30.14 |
| 3 | 15 | Charlotte JENKINSON | 11 | Deepings | 3:29.82 |
| 4 | 16 | Charlotte GILL | 13 | Grantham | 3:29.46 |
| 5 | 17 | Hannah TAYLOR | 11 | Louth | 3:28.10 |
| 6 | 18 | Marcelina DEBICKA | 14 | Grantham | 3:26.78 |
| 7 | 19 | Eleanor BIRINY | 11 | Lincoln Vulc | 3:26.14 |
| 8 | 20 | Lucy BEARDSMORE | 11 | Grantham | 3:24.71 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Isabella REYNOLDS | 11 | Deepings | 3:19.86 |
| 2 | 22 | Grace HOWITT | 13 | Grantham | 3:18.70 |
| 3 | 23 | Niamh MUDDIMER | 14 | Loughborough | 3:15.97 |
| 4 | 24 | Evie ROSCOE | 15 | Louth | 3:12.10 |
| 5 | 25 | Brooke HEMMINGS | 12 | Lincoln Vulc | 3:09.84 |
| 6 | 26 | Mieke MCDONALD | 12 | Deepings | 3:08.30 |
| 7 | 27 | Harriet MCCORMACK | 12 | Grantham | 3:08.28 |
| 8 | 28 | Elysia SMITH | 12 | Louth | 3:06.13 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | K GREENWOOD-COVELL | 14 | Deepings | 3:06.00 |
| 2 | 30 | Poppy PRICE | 11 | Louth | 3:05.06 |
| 3 | 31 | Lucy DAVIS | 13 | Lincoln Vulc | 3:04.14 |
| 4 | 32 | Elena ALDENHOFF-KELLY | 13 | Grantham | 3:03.60 |
| 5 | 33 | Elodie HILES | 13 | Louth | 3:01.90 |
| 6 | 34 | Imogen JENKINS | 14 | Louth | 3:01.72 |
| 7 | 35 | Catherine YATES | 12 | Loughborough | 3:01.28 |
| 8 | 36 | Skye HOLMES | 12 | Louth | 2:58.60 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Jemma MUNRO | 14 | Deepings | 2:56.10 |
| 2 | 38 | Isabella MIDDLETON | 13 | Louth | 2:55.30 |
| 3 | 39 | Cora FARLEY | 13 | Grantham | 2:53.87 |
| 4 | 40 | Olivia SPENCER | 15 | Lincoln Vulc | 2:53.31 |
| 5 | 41 | Emilie WEBB | 12 | Grantham | 2:52.14 |
| 6 | 42 | Sophie COOKSEY | 12 | Louth | 2:48.36 |
| 7 | 44 | Evelyn JACKSON | 13 | Lincoln Vulc | 2:45.70 |
| 8 | 45 | Sadie HUNTER | 13 | Deepings | 2:42.41 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 47 | Alexandra HALLAM-STOTT | 16 | Grantham | 2:40.98 |
| 2 | 49 | Katie ATTER | 17 | Lincoln Vulc | 2:37.29 |
| 3 | 51 | Olivia ANSTEY | 13 | Louth | 2:36.30 |
| 4 | 54 | Chloe HOPKINSON | 17 | Grantham | 2:27.97 |
| 5 | 52 | Francesca HALLAM-STOTT | 15 | Grantham | 2:34.64 |
| 6 | 50 | Evie TURNER | 16 | Grantham | 2:36.97 |
| 7 | 48 | Ruby WARING | 16 | Louth | 2:39.00 |
| 8 | 46 | Alice-Mae DOWNS | 13 | Lincoln Vulc | 2:42.24 |