EVENT 203 Female 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Fia Lamont | 14 | Oswestry Ott | 6:57.93 |
| 4 | 3 | Molly Franklin-Hughes | 12 | Newport | 6:50.20 |
| 5 | 2 | Jessica Brown | 13 | Wrekin SC | 6:52.53 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 5 | Naomi Grant | 13 | Wrekin SC | 6:46.43 |
| 3 | 7 | Ginny Farmer | 13 | Market Dray | 6:44.43 |
| 4 | 9 | Kianna Brennan-Todd | 12 | Northgate | 6:43.68 |
| 5 | 8 | Lacie Lightfoot | 12 | Market Dray | 6:44.01 |
| 6 | 6 | Evie Littlefield | 13 | TelfordAqua | 6:45.09 |
| 7 | 4 | Elizabeth Hardy | 14 | Oswestry Ott | 6:47.53 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Eliza Rozenberszki | 12 | Wrekin SC | 6:30.19 |
| 2 | 14 | Emily Gurr | 14 | Northgate | 6:03.80 |
| 3 | 16 | Holly Morris | 17 | Northgate | 5:57.50 |
| 4 | 18 | Grace Willetts | 17 | Market Dray | 5:52.69 |
| 5 | 17 | Ava Highfield | 14 | Market Dray | 5:54.34 |
| 6 | 15 | Ffion Williams | 15 | TelfordAqua | 6:01.10 |
| 7 | 13 | Mollie Aspinall | 14 | Shrewsbury | 6:22.49 |
| 8 | 10 | Heather Wylie | 13 | Wrekin SC | 6:36.88 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Maisy Kirby | 13 | Wrekin SC | 5:49.38 |
| 2 | 23 | Ella Gregory | 18 | Newport | 5:46.38 |
| 3 | 25 | Scarlett Highfield | 16 | Market Dray | 5:39.06 |
| 4 | 27 | Beth Barrett | 17 | Wrekin SC | 5:33.87 |
| 5 | 26 | Paige Simpson | 15 | Market Dray | 5:36.54 |
| 6 | 24 | Daisy Berry | 15 | Northgate | 5:45.85 |
| 7 | 22 | Esmay Jones | 13 | Wrekin SC | 5:48.30 |
| 8 | 19 | Martha Gibbard | 15 | Northgate | 5:50.75 |