EVENT 201 Women 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | Jasmine Bamber | 22 | S8 | Co Manch Aq | 7:30.00 |
| 4 | 3 | Scarlett Fagan | 11 | | Co Manch Aq | 6:32.19 |
| 5 | 2 | Emily Smith | 11 | | Co Manch Aq | 6:40.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 4 | Sadie Harrison | 12 | | Stockport Mo | 6:25.50 |
| 2 | 6 | Emilia Hartley | 14 | | Bo Kirklees | 6:16.10 |
| 3 | 8 | Astrid Carroll | 12 | | Bo Kirklees | 6:12.00 |
| 4 | 10 | Lucy Green | 13 | | Co Manch Aq | 6:02.00 |
| 5 | 9 | Sophia Yu | 12 | | Co Manch Aq | 6:10.00 |
| 6 | 7 | Isabella Bonfield | 11 | | Co Salford | 6:14.20 |
| 7 | 5 | Emily Yang | 10 | | Co Manch Aq | 6:20.33 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 12 | Scarlett Leighton | 16 | | Wigan | 5:55.02 |
| 2 | 14 | Gracie-Louise Potts | 12 | | Co Salford | 5:48.99 |
| 3 | 16 | Kiera Leece | 14 | | Io Man | 5:44.20 |
| 4 | 22 | Caitlin Postolachi Suc | 12 | | Co Salford | 5:29.68 |
| 5 | 20 | Emelia Atkinson | 12 | | Co Salford | 5:35.00 |
| 6 | 15 | Millie Newsome | 16 | | Bo Kirklees | 5:44.71 |
| 7 | 13 | Poppy Nuttman | 11 | | Bo Kirklees | 5:49.30 |
| 8 | 11 | Lily Hanrahan | 11 | | Co Salford | 6:00.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 24 | Lily Duke | 13 | | Co Manch Aq | 5:23.24 |
| 2 | 26 | Jorja Howard | 11 | | Wigan | 5:18.06 |
| 3 | 28 | Rosie Nicholson | 14 | | Co Manch Aq | 5:12.60 |
| 4 | 30 | Scarlett Saunders | 15 | | Co Manch Aq | 5:10.83 |
| 5 | 29 | Siena Oxby | 14 | | Winsford | 5:12.10 |
| 6 | 27 | Madeleine Bryan | 14 | | Co Salford | 5:14.15 |
| 7 | 25 | Nina Roberts | 15 | | Stretford | 5:20.50 |
| 8 | 23 | Kristen Beswick | 13 | | Fleetwood | 5:24.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 32 | Isla Holland | 13 | | Wigan | 5:10.00 |
| 2 | 34 | Stephanie Booth | 18 | | Bo Kirklees | 5:09.30 |
| 3 | 36 | Isabel Lloyd | 13 | | Wigan | 5:05.80 |
| 4 | 38 | Amelie Blocksidge | 12 | | Co Salford | 5:04.50 |
| 5 | 37 | Emma Holmes | 15 | | Co Manch Aq | 5:05.53 |
| 6 | 35 | Bethan Roberts | 15 | | Stretford | 5:07.00 |
| 7 | 33 | Sandra Czajka | 13 | | Co Salford | 5:09.77 |
| 8 | 31 | Lauren Watson | 12 | | Wigan | 5:10.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 41 | Emily Jackson Smith | 13 | | Co Salford | 4:57.70 |
| 2 | 43 | Grace Rowbotham-Keatin | 13 | | Co Manch Aq | 4:51.40 |
| 3 | 45 | Cara Tohill | 14 | | Co Salford | 4:48.41 |
| 4 | 49 | Harriet Newton | 14 | | Co Manch Aq | 4:25.00 |
| 5 | 46 | Blae Richardson | 17 | | Io Man | 4:46.80 |
| 6 | 44 | Katie Lee | 13 | | Co Salford | 4:49.96 |
| 7 | 42 | Imogen Cooper | 15 | | Io Man | 4:53.80 |
| 8 | 39 | Abigail Turner | 14 | | Co Manch Aq | 5:01.55 |