EVENT 501 Women 14 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Gracie-May Cole | 14 | Co Lincoln P | 5:49.70 |
| 1 | 4 | Orla Eyton-Jones | 16 | Corby | 5:45.06 |
| 2 | 6 | Daniela Bringeman | 15 | South Lincs | 5:43.10 |
| 3 | 8 | Freya Jones | 14 | Nova Cent'n | 5:36.24 |
| 4 | 10 | Mia Matthews | 15 | Northampton | 5:34.42 |
| 5 | 9 | Matilda Hase | 15 | Derventio | 5:35.90 |
| 6 | 7 | Evelyn Jackson | 14 | Lincoln Vulc | 5:40.70 |
| 7 | 5 | Francesca Palfrey | 16 | Loughborough | 5:44.00 |
| 8 | 3 | Ruby Maiden | 15 | Nova Cent'n | 5:46.39 |
| 9 | 1 | Amelie Monger | 14 | Nova Cent'n | 5:52.71 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Kate Andrews | 14 | Co Leicester | 5:33.10 |
| 1 | 14 | Kt Taylor | 16 | Chesterfield | 5:32.30 |
| 2 | 16 | Poppy Scotchbrook | 15 | Co Leicester | 5:31.20 |
| 3 | 18 | Lilly Tappern | 15 | Corby | 5:29.45 |
| 4 | 20 | Neve Bursztyn | 15 | Nova Cent'n | 5:28.40 |
| 5 | 19 | Olivia Anstey | 14 | Louth | 5:28.50 |
| 6 | 17 | Neve Jones | 16 | Leic Sharks | 5:31.13 |
| 7 | 15 | Olivia Beard | 14 | Nova Cent'n | 5:31.70 |
| 8 | 13 | Jessica Cater | 15 | Nova Cent'n | 5:32.90 |
| 9 | 11 | Katie Atter | 18 | Lincoln Vulc | 5:33.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Ermita Balnyte | 14 | Nova Cent'n | 5:27.20 |
| 1 | 24 | Emily Farr | 18 | Co Leicester | 5:26.92 |
| 2 | 26 | Emily Parkins | 15 | Nova Cent'n | 5:25.30 |
| 3 | 28 | Philippa Hickman | 14 | Nova Cent'n | 5:23.88 |
| 4 | 30 | Shae Stewart | 16 | Nova Cent'n | 5:22.62 |
| 5 | 29 | Tegan Harrison | 17 | Boston | 5:23.10 |
| 6 | 27 | Emilia Cieszczyk | 15 | Northampton | 5:25.14 |
| 7 | 25 | Anna Johnson | 17 | Northampton | 5:26.32 |
| 8 | 23 | Francesca Hallam-Stott | 15 | Grantham | 5:27.10 |
| 9 | 21 | Erin Lee | 16 | Nova Cent'n | 5:27.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 34 | Abby Mitchell | 16 | Leic Sharks | 5:19.80 |
| 1 | 40 | Marija Romanovskaja | 16 | Newark | 5:17.25 |
| 2 | 46 | Evie Woolley | 16 | Northampton | 5:11.65 |
| 3 | 52 | Iona Colbert | 17 | Nova Cent'n | 5:05.71 |
| 4 | 58 | Carys O'Reilly | 19 | Co Leicester | 4:56.50 |
| 5 | 55 | Anya Preece | 19 | Nova Cent'n | 4:58.90 |
| 6 | 49 | Pia Summers-Newton | 16 | Northampton | 5:09.70 |
| 7 | 43 | Alice Streeter | 16 | Co Leicester | 5:15.70 |
| 8 | 37 | Poppy Mead | 17 | Derventio | 5:18.60 |
| 9 | 31 | Sophie Martin | 15 | Chesterfield | 5:21.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 35 | Anna Farr | 15 | Co Leicester | 5:19.78 |
| 1 | 41 | Grace Turner | 15 | Grantham | 5:17.16 |
| 2 | 47 | Naomi McGuire | 17 | Co Leicester | 5:11.47 |
| 3 | 53 | Ellisha Cookson | 18 | South Lincs | 5:05.20 |
| 4 | 59 | Emma Erskine | 18 | Nova Cent'n | 4:53.40 |
| 5 | 56 | Kate Morris | 17 | Nova Cent'n | 4:58.90 |
| 6 | 50 | Megan Speirs | 18 | Nova Cent'n | 5:08.10 |
| 7 | 44 | Lily Jackson-Oates | 17 | Nova Cent'n | 5:15.24 |
| 8 | 38 | Emma Demandt | 16 | Nova Cent'n | 5:18.60 |
| 9 | 32 | Beatrice Finch | 16 | South Lincs | 5:20.32 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 36 | Chloe Daybell | 17 | Nova Cent'n | 5:18.80 |
| 1 | 42 | Olivia Hunter | 18 | Co Leicester | 5:15.74 |
| 2 | 48 | Evie Johnson | 15 | Nova Cent'n | 5:10.61 |
| 3 | 54 | Yasmine Sheffield | 18 | Leic Sharks | 5:04.23 |
| 4 | 60 | Freya Colbert | 18 | Nova Cent'n | 4:40.50 |
| 5 | 57 | Livia Kingsland | 17 | Nova Cent'n | 4:58.20 |
| 6 | 51 | Eja Coe | 16 | Derventio | 5:06.10 |
| 7 | 45 | Poppy Mathias | 16 | Repton | 5:12.00 |
| 8 | 39 | Chloe Hopkinson | 17 | Grantham | 5:18.10 |
| 9 | 33 | Lily Freeman | 15 | Northampton | 5:20.15 |