EVENT 6 Womens MC 15 Yrs/Over 400m Free. - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 1 | Abigail Daly | 15 | S14 | Devonport | 6:14.07 |
| 1 | 2 | Annalise Burgess | 17 | S9 | Caradon | 6:05.21 |
| 2 | 3 | Harriet Dickinson | 21 | S10 | Clevedon | 5:13.49 |
| 3 | 4 | Evie-Rose Young | 15 | | Co Bristol | 4:41.20 |
| 4 | 5 | Georgianna Thorn | 16 | | Newton Abbot | 4:40.84 |
| 5 | 6 | Jasmine Stone | 17 | | Soundwell | 4:40.63 |
| 6 | 7 | Nathalie Walsh | 17 | | Severnside | 4:40.62 |
| 7 | 8 | Rebecca Gibbins | 17 | | Exeter City | 4:40.34 |
| 8 | 9 | Eleanor Lloyd | 16 | | Gloucester | 4:39.85 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 10 | Tutku Ciftci | 15 | | Gloucester | 4:39.48 |
| 1 | 11 | Melody Roberts | 16 | | Penzance | 4:38.65 |
| 2 | 12 | Kathleen Baker | 30 | | Poole | 4:38.53 |
| 3 | 13 | Maia Crudgington | 16 | | Team Bath AS | 4:38.50 |
| 4 | 14 | Sophia Wilson | 17 | | Millfield | 4:38.42 |
| 5 | 15 | Eleanor Hollier | 16 | | Co Bristol | 4:38.36 |
| 6 | 16 | Grace Poynter | 16 | | Bourmth Coll | 4:38.14 |
| 7 | 17 | Jessica Part | 15 | | Severnside | 4:37.42 |
| 8 | 18 | Makaela Holowchak | 18 | | Plymouth Lea | 4:37.07 |
| 9 | 19 | Megan Adamson | 15 | | Swindon Dolp | 4:36.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 20 | Scarlett Orchard | 15 | | Mt Kelly | 4:36.08 |
| 1 | 21 | Thalia Poaros | 17 | | Mt Kelly | 4:35.30 |
| 2 | 22 | Samantha Hammond | 16 | | Team Bath AS | 4:34.90 |
| 3 | 23 | Polly Painter | 16 | | Millfield | 4:33.70 |
| 4 | 24 | Alice Barton | 15 | | Team Bath AS | 4:33.00 |
| 5 | 25 | Ellena Theobald | 17 | | Soundwell | 4:33.00 |
| 6 | 26 | Megan Vingoe | 16 | | Carn Brea | 4:32.08 |
| 7 | 27 | Teagan-Mae Graham | 17 | | Poole | 4:30.98 |
| 8 | 28 | Gabriella Youngs Do Pa | 15 | | TauntonDeane | 4:30.79 |
| 9 | 29 | Isabelle Hepburn | 16 | | Poole | 4:30.44 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 31 | Charlotte Emery | 15 | | TauntonDeane | 4:27.20 |
| 1 | 33 | Gaurika Singh | 16 | | Mt Kelly | 4:21.99 |
| 2 | 35 | Thea O'Keefe | 18 | | Poole | 4:19.49 |
| 3 | 37 | Misty Marshall-Welling | 17 | | Team Bath AS | 4:18.54 |
| 4 | 39 | Laura Stephens | 19 | | Plymouth Lea | 4:13.60 |
| 5 | 38 | Rachel Anderson | 16 | | Millfield | 4:14.10 |
| 6 | 36 | Jessica Podger | 17 | | Co Bristol | 4:18.70 |
| 7 | 34 | Olivia Butler | 15 | | Co Bristol | 4:21.45 |
| 8 | 32 | Sophie Hall | 20 | | Gloucester | 4:24.36 |
| 9 | 30 | Robyn Edwards | 20 | | TauntonDeane | 4:29.30 |