EVENT 208 Female 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 1 | Samantha Lewis | 33 | S8 | Satellite | |
| 2 | 3 | Chiara Fellone | 18 | S14 | Ramsbottom | |
| 3 | 5 | Natalie Koleva | 14 | | Warrington W | |
| 4 | 8 | Olivia Ryan | 16 | | Co Manch Aq | |
| 5 | 6 | Sophia Sugden | 15 | | Co Manch Aq | |
| 6 | 4 | Brooklyn Hale | 15 | S9 | Cockermouth | |
| 7 | 2 | Isabella Andreou | 14 | S9 | Crewe Flyers | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 10 | Isla Liptrot | 12 | | Wigan BEST | |
| 2 | 12 | Emily Rowe | 14 | | Co Salford | |
| 3 | 14 | Tilly Stevens | 15 | | Co Liverpool | |
| 4 | 16 | Amelia Gerrard | 16 | | Co Liverpool | |
| 5 | 15 | Mia Robinson | 14 | | Southport | |
| 6 | 13 | Henrietta Chick | 16 | | Winsford | |
| 7 | 11 | Isabelle Fletcher | 16 | | Winsford | |
| 8 | 9 | Allanah Donlan | 14 | | Warrington W | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 18 | Vivien Wilkinson | 14 | | Wirral Metro | |
| 2 | 20 | Viyana Seifi | 14 | | Co Salford | |
| 3 | 22 | Lilly-Rose Unwin | 15 | | Stockport Mo | |
| 4 | 24 | Kiera Prentice | 21 | | Co Manch Aq | |
| 5 | 23 | Olivia Knox | 14 | | Wigan BEST | |
| 6 | 21 | Ruby Sheehan | 18 | | Wigan BEST | |
| 7 | 19 | Harper Aspinall | 13 | | Wirral Metro | |
| 8 | 17 | Sophia Hewlett | 15 | | Bebington | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 26 | Ava Halliwell | 14 | | Wirral Metro | |
| 2 | 28 | Emily Tabern | 15 | | Warrington W | |
| 3 | 30 | Elizabeth Lyons | 17 | | Co Liverpool | |
| 4 | 32 | Macy Barker | 18 | | Co Liverpool | |
| 5 | 31 | Keira Johnson | 15 | | Wigan BEST | |
| 6 | 29 | Martha Sumnall | 15 | | Co Liverpool | |
| 7 | 27 | Jessica Jones | 16 | | Warrington W | |
| 8 | 25 | Lauren Berry | 15 | | Wirral Metro | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 34 | Joni Dunne | 16 | | Co Liverpool | : . |
| 2 | 36 | Mollie Fisher | 20 | | Co Manch Aq | : . |
| 3 | 38 | Petra Varga | 17 | | Wirral Metro | : . |
| 4 | 41 | Abbie Roscoe | 16 | | Wirral Metro | : . |
| 5 | 40 | Kerry Hennie | 17 | | Co Liverpool | : . |
| 6 | 37 | Sophie Dowding | 18 | | Co Liverpool | : . |
| 7 | 35 | Jessica Corder | 16 | | Co Salford | : . |
| 8 | 33 | Kate Roberts | 16 | | Co Liverpool | : . |