EVENT 301 Female 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Amelia Morris | 10 | TelfordAqua | 7:31.59 |
| 4 | 2 | Julia Rafalczuk | 10 | Walsall | 7:22.59 |
| 5 | 3 | Lucy Greenhead | 11 | Market Dray | 7:03.51 |
| 6 | 4 | Evelyn Roberts | 10 | Market Dray | 6:50.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Isla Shakespeare | 11 | Wombourne | 6:25.70 |
| 2 | 6 | Lily Davis | 11 | Walsall | 6:20.89 |
| 3 | 7 | Mia Walls | 10 | Walsall | 6:20.54 |
| 4 | 8 | Cali Watson | 10 | Walsall | 6:13.64 |
| 5 | 9 | Florry Grosvenor | 10 | Chase | 6:10.56 |
| 6 | 10 | Lily Blower | 10 | Walsall | 6:09.70 |
| 7 | 11 | Emma Hackney | 12 | Wombourne | 5:59.46 |
| 8 | 12 | Laiannie Lightfoot | 15 | Market Dray | 5:58.23 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Millie Bird | 12 | Royal Wolv | 5:50.00 |
| 2 | 14 | Cerys Hard | 14 | Wolv'hampton | 5:48.65 |
| 3 | 15 | Charlotte Davis | 12 | Wolv'hampton | 5:46.65 |
| 4 | 16 | Imogen Hall | 12 | Royal Wolv | 5:45.09 |
| 5 | 17 | Erin Houlston | 13 | Chase | 5:43.93 |
| 6 | 18 | Mair Thomas | 13 | Market Dray | 5:43.38 |
| 7 | 19 | Evangeline Grover | 11 | Royal Wolv | 5:37.86 |
| 8 | 20 | Ginny Farmer | 13 | Market Dray | 5:29.65 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Rose Bayle | 11 | Wrekin SC | 5:29.11 |
| 2 | 22 | Ashleigh Neighbour | 15 | Cosacss | 5:23.66 |
| 3 | 23 | Libby Coss | 14 | Wrekin SC | 5:23.29 |
| 4 | 24 | Scarlett Hemmings | 15 | Wolv'hampton | 5:22.86 |
| 5 | 25 | Jessica Martin | 12 | Market Dray | 5:20.40 |
| 6 | 26 | Naomi Grant | 12 | Wrekin SC | 5:19.05 |
| 7 | 28 | Grace Willetts | 16 | Market Dray | 5:15.64 |
| 8 | 29 | Chloe Somerville | 14 | Chase | 5:12.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Eliza Cresswell | 14 | Royal Wolv | 5:09.46 |
| 2 | 32 | Ruby Clews | 16 | Market Dray | 5:06.17 |
| 3 | 33 | Darcey Keay | 17 | Walsall | 5:04.10 |
| 4 | 34 | Emily Malkin | 15 | Cosacss | 5:02.37 |
| 5 | 35 | Maisy Kirby | 13 | Wrekin SC | 5:01.20 |
| 6 | 36 | Amber Cartwright | 14 | Chase | 4:58.21 |
| 7 | 37 | Ella Hart | 16 | Wrekin SC | 4:57.92 |
| 8 | 38 | Katlyn Richardson | 15 | Walsall | 4:57.19 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 40 | Keisha McFarlane | 17 | Walsall | 4:55.48 |
| 2 | 42 | Paige Simpson | 14 | Market Dray | 4:48.85 |
| 3 | 44 | Maisie Beattie | 16 | Wrekin SC | 4:43.10 |
| 4 | 46 | Beth Barrett | 16 | Wrekin SC | 4:37.70 |
| 5 | 45 | Lucy Noble | 16 | Wolv'hampton | 4:42.01 |
| 6 | 43 | Esmay Jones | 13 | Wrekin SC | 4:45.50 |
| 7 | 41 | Charlotte Osborne | 15 | Wolv'hampton | 4:51.35 |
| 8 | 39 | Chloe Darling | 15 | Wolv'hampton | 4:56.20 |