EVENT 501 Girls 11/13 Yrs 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Jessica Li | 12 | Nova Cent'n | 5:58.19 |
| 4 | 2 | Hayley Cliffe | 12 | Co Leicester | 5:56.98 |
| 5 | 3 | Talitha Oud | 12 | Nova Cent'n | 5:56.06 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 4 | Iona Colbert | 12 | Grantham | 5:55.13 |
| 2 | 5 | Samantha Coleman | 12 | Nova Cent'n | 5:54.60 |
| 3 | 6 | Molly Denton | 12 | Leic Sharks | 5:53.36 |
| 4 | 7 | Keira Dobbs | 12 | Nova Cent'n | 5:52.70 |
| 5 | 8 | Harriet Oxley | 12 | Co Leicester | 5:51.12 |
| 6 | 9 | Francesca Ward | 12 | Nova Cent'n | 5:51.09 |
| 7 | 10 | Poppy Mead | 12 | Derventio | 5:47.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 11 | Mollie Briggs | 12 | South Lincs | 5:46.14 |
| 2 | 12 | Ella Kay | 13 | Northampton | 5:45.90 |
| 3 | 13 | Bethan Thomas | 13 | Daventry | 5:45.08 |
| 4 | 14 | Lucy Hitchin | 12 | Co Leicester | 5:44.51 |
| 5 | 15 | Cailin Hancock | 13 | Hinckley | 5:44.02 |
| 6 | 16 | Hannah Willis | 12 | South Lincs | 5:43.94 |
| 7 | 17 | Dusty Saines | 13 | South Lincs | 5:42.96 |
| 8 | 18 | Erin Dixon | 13 | Nova Cent'n | 5:42.60 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 19 | Katie Scott | 13 | Boston | 5:41.86 |
| 2 | 20 | Kate Morris | 12 | Nova Cent'n | 5:41.69 |
| 3 | 21 | Jessica Owen | 12 | Co Leicester | 5:41.32 |
| 4 | 22 | Poppy Hogg | 12 | Northampton | 5:40.80 |
| 5 | 23 | Gracie Dawes | 13 | Derventio | 5:40.33 |
| 6 | 24 | Lottie Warsop | 13 | Nova Cent'n | 5:39.81 |
| 7 | 25 | Jessica-May Elliott | 13 | Northampton | 5:39.65 |
| 8 | 26 | Ellisha Cookson | 13 | South Lincs | 5:38.44 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 27 | Leah Burgin-Rawson | 12 | Derventio | 5:36.61 |
| 2 | 28 | Honey Baxendale | 12 | Nova Cent'n | 5:35.76 |
| 3 | 29 | Megan Speirs | 13 | Lincoln Vulc | 5:35.23 |
| 4 | 30 | Daisy Robson-Jones | 13 | Co Leicester | 5:32.89 |
| 5 | 31 | Ellethea Hawley | 13 | Nova Cent'n | 5:31.70 |
| 6 | 32 | Ellie Blakey | 13 | Nova Cent'n | 5:31.40 |
| 7 | 33 | Emily Ford | 13 | Leic Peng | 5:31.26 |
| 8 | 34 | Lottie Shaw | 13 | Northampton | 5:30.70 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 35 | Mya Watt | 13 | Derventio | 5:30.57 |
| 2 | 36 | Lucy Russell | 13 | Co Leicester | 5:30.53 |
| 3 | 37 | Summer Simpson | 13 | Nova Cent'n | 5:28.77 |
| 4 | 38 | Bobbi Harper | 12 | Northampton | 5:28.46 |
| 5 | 39 | Becky Whittaker | 12 | Nova Cent'n | 5:28.10 |
| 6 | 40 | Esther Grigore | 13 | Northampton | 5:27.30 |
| 7 | 41 | Katie Rundle | 13 | Grantham | 5:27.29 |
| 8 | 42 | Sophie Baker | 13 | Chesterfield | 5:26.94 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 44 | Merewyn Jones | 13 | Nova Cent'n | 5:23.52 |
| 2 | 46 | Amber Downham | 12 | Chesterfield | 5:18.51 |
| 3 | 48 | Livia Kingsland | 12 | Nova Cent'n | 5:15.60 |
| 4 | 50 | Freya Colbert | 13 | Grantham | 4:59.44 |
| 5 | 49 | Emma Erskine | 13 | Nova Cent'n | 5:12.70 |
| 6 | 47 | Lauren Shipley | 13 | Nova Cent'n | 5:18.50 |
| 7 | 45 | Yasmine Sheffield | 13 | Leic Sharks | 5:18.78 |
| 8 | 43 | Lilly Cherry | 13 | Nova Cent'n | 5:24.80 |