EVENT 101 Womens 14 Yrs/Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 2 | Eliza Humphrey | 14 | S11 | Northampton | 6:39.89 |
| 3 | 4 | Grace Manson | 14 | | Nova Cent'n | 4:54.70 |
| 4 | 6 | Alicia Massie | 14 | | Co Leicester | 4:54.30 |
| 5 | 5 | Chloe Hopkinson | 14 | | Grantham | 4:54.40 |
| 6 | 3 | Maisie Summers-Newton | 17 | S6 | Northampton | 5:23.91 |
| 7 | 1 | Scarlett Humphrey | 14 | S11 | Northampton | 6:54.91 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 8 | Amelia Stevenson | 14 | | Bassetlaw SS | 4:53.60 |
| 1 | 10 | Molly Denton | 14 | | Leic Sharks | 4:50.90 |
| 2 | 12 | Eve Hemingway | 14 | | Derventio | 4:50.57 |
| 3 | 14 | Poppy Mead | 14 | | Derventio | 4:49.20 |
| 4 | 16 | Emily Morris | 14 | | Nova Cent'n | 4:49.20 |
| 5 | 15 | Esther Skells | 15 | | South Lincs | 4:49.20 |
| 6 | 13 | Emily Ford | 15 | | Leic Peng | 4:49.90 |
| 7 | 11 | Hayley Mair | 14 | | Co Leicester | 4:50.60 |
| 8 | 9 | Leah Burgin-Rawson | 14 | | Derventio | 4:53.41 |
| 9 | 7 | Libby Dove | 14 | | Nova Cent'n | 4:54.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 18 | Megan Crompton | 14 | | Derventio | 4:47.90 |
| 1 | 20 | Daisy Robson-Jones | 15 | | Co Leicester | 4:47.02 |
| 2 | 22 | Lucy Cadden | 15 | | Co Derby | 4:46.10 |
| 3 | 24 | Holly Stubbs | 16 | | Leic Peng | 4:44.90 |
| 4 | 26 | Lucy Russell | 15 | | Co Leicester | 4:44.42 |
| 5 | 25 | Daisy Rummery | 15 | | South Lincs | 4:44.50 |
| 6 | 23 | Jessica Reed | 15 | | Nova Cent'n | 4:45.20 |
| 7 | 21 | Sophie Wicks | 14 | | Northampton | 4:46.70 |
| 8 | 19 | Ella Kay | 15 | | Northampton | 4:47.85 |
| 9 | 17 | Molly Blazye | 16 | | Hinckley | 4:48.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 28 | Kate Haswell | 15 | | Derventio | 4:43.36 |
| 1 | 30 | Poppy Hogg | 14 | | Northampton | 4:42.48 |
| 2 | 32 | Megan Speirs | 15 | | Lincoln Vulc | 4:42.00 |
| 3 | 34 | Mollie Briggs | 14 | | South Lincs | 4:40.65 |
| 4 | 36 | Summer Simpson | 15 | | Bramcote | 4:39.80 |
| 5 | 35 | Lucy Browne | 15 | | Daventry | 4:40.10 |
| 6 | 33 | Maisie Aubrey | 17 | | Lincoln Vulc | 4:41.10 |
| 7 | 31 | Bethany Eagle-Brown | 16 | | Deepings | 4:42.40 |
| 8 | 29 | Melissa Lock | 18 | | Leic Peng | 4:43.20 |
| 9 | 27 | Lily Jackson-Oates | 14 | | Nova Cent'n | 4:44.20 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 38 | Abbi White | 17 | | Leic Sharks | 4:39.27 |
| 1 | 40 | Taylor O'Rourke | 16 | | Northampton | 4:37.68 |
| 2 | 42 | Bobbi Harper | 14 | | Northampton | 4:37.16 |
| 3 | 44 | Kieva Clegg | 18 | | Boston | 4:36.70 |
| 4 | 46 | Bethany Rae-McLean | 18 | | Derventio | 4:34.63 |
| 5 | 45 | Harriet Oxley | 14 | | Co Leicester | 4:35.70 |
| 6 | 43 | Georgina Walker | 19 | | Co Derby | 4:36.72 |
| 7 | 41 | Harmony Torrington | 15 | | Co Derby | 4:37.31 |
| 8 | 39 | Olivia Humphrey | 16 | | Co Derby | 4:38.20 |
| 9 | 37 | Alexandra Shardlow | 14 | | Co Derby | 4:39.50 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 49 | Chloe Quinn | 16 | | Nova Cent'n | 4:33.49 |
| 1 | 53 | Amber Downham | 14 | | Chesterfield | 4:30.80 |
| 2 | 57 | Livia Kingsland | 14 | | Nova Cent'n | 4:25.80 |
| 3 | 61 | Alice Dearing | 22 | | Loughboro Un | 4:20.51 |
| 4 | 65 | Betsy Wizard | 16 | | Northampton | 4:18.00 |
| 5 | 63 | Mia Slevin | 16 | | Derventio | 4:19.00 |
| 6 | 59 | Chloe Stennett | 17 | | Chesterfield | 4:23.26 |
| 7 | 55 | Rebecca Flisher | 17 | | Nova Cent'n | 4:30.10 |
| 8 | 51 | Annie Pearson | 17 | | Nova Cent'n | 4:32.36 |
| 9 | 47 | Sofia Allen | 19 | | Nova Cent'n | 4:34.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 50 | Mya Watt | 15 | | Derventio | 4:32.87 |
| 1 | 54 | Olivia Tatton | 19 | | Northampton | 4:30.53 |
| 2 | 58 | Abigail Burr | 21 | | Lincoln Vulc | 4:23.49 |
| 3 | 62 | Mollie Wright | 21 | | Nova Cent'n | 4:19.20 |
| 4 | 66 | Michaella Glenister | 17 | | Leic Sharks | 4:16.40 |
| 5 | 64 | Freya Colbert | 15 | | Nova Cent'n | 4:18.40 |
| 6 | 60 | Maisie Elliott | 16 | | Co Leicester | 4:21.50 |
| 7 | 56 | Charlotte Hall | 17 | | Derventio | 4:27.76 |
| 8 | 52 | Freya Stevens | 18 | | Northampton | 4:31.86 |
| 9 | 48 | Natasha Utley | 17 | | Bassetlaw SS | 4:33.97 |