EVENT 201 Women's 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Chloe Cooke | 17 | Co Sheffield | 17:46.14 |
| 2 | 4 | Olivia Sheehan | 19 | Birm'ham Uni | 17:43.94 |
| 3 | 6 | Charlotte Surrell | 17 | Co Birm'ham | 17:43.51 |
| 4 | 8 | Talia Staines | 22 | Team Luton | 17:42.03 |
| 5 | 7 | Harriet Oxley | 19 | Repton | 17:42.96 |
| 6 | 5 | Maisie Dickinson | 17 | Wycombe Dist | 17:43.85 |
| 7 | 3 | Georgia Dickie | 17 | Dumfries | 17:45.55 |
| 8 | 1 | Darcey Smith | 14 | Portsmouth N | 17:46.55 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Georgia Robertson | 19 | Co Sheffield | 17:41.29 |
| 1 | 12 | Charlotte Johnson | 21 | Swansea Uni | 17:40.66 |
| 2 | 14 | Annabelle Compton | 16 | Wycombe Dist | 17:37.48 |
| 3 | 16 | Amy Kenworthy | 18 | Winsford | 17:37.22 |
| 4 | 18 | Emily Forwood | 20 | Swansea Uni | 17:35.11 |
| 5 | 17 | Ella Blocksidge | 18 | Co Salford | 17:36.13 |
| 6 | 15 | Jess Widdowson | 18 | Co Leeds | 17:37.47 |
| 7 | 13 | Madison Emment | 17 | Repton | 17:39.73 |
| 8 | 11 | Mollie Fisher | 19 | Co Manch Aq | 17:40.66 |
| 9 | 9 | Katherine Noble | 16 | Newcastle | 17:41.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 20 | Nicole Ryan | 26 | Guildford Ct | 17:33.86 |
| 1 | 22 | Tsala Bernholt | 18 | Barnet Copt | 17:32.54 |
| 2 | 24 | Jessica Arundale | 19 | Barnet Copt | 17:29.62 |
| 3 | 26 | Alice Forrest | 15 | N & D PP SC | 17:28.37 |
| 4 | 28 | Emma Price | 16 | N & D PP SC | 17:27.95 |
| 5 | 27 | Evangeline Stacey | 17 | Co Leeds | 17:28.35 |
| 6 | 25 | Eleanor Kay | 18 | Bolton Metro | 17:29.18 |
| 7 | 23 | Louise Ashford | 19 | Bath Univ | 17:30.11 |
| 8 | 21 | Sedona Reed | 17 | Co Leeds | 17:32.61 |
| 9 | 19 | Molly Baker | 17 | Co Sheffield | 17:33.87 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 30 | Ruby Griffiths | 18 | Mt Kelly | 17:24.22 |
| 1 | 32 | Grace Cummings | 18 | Thanet Swim | 17:23.03 |
| 2 | 34 | Abbie Roscoe | 15 | Wirral Metro | 17:20.50 |
| 3 | 36 | Phyllida Britton | 27 | Ealing | 17:16.64 |
| 4 | 38 | Lucy Parsons | 17 | Co Liverpool | 17:10.95 |
| 5 | 37 | Livia Kingsland | 19 | Nova Cent'n | 17:14.81 |
| 6 | 35 | Cait Cotter | 17 | Chelmsford | 17:20.25 |
| 7 | 33 | Mairi Craig | 20 | Edinburgh Un | 17:21.87 |
| 8 | 31 | Evangeline Belt | 18 | Plymouth Lea | 17:23.54 |
| 9 | 29 | Emily Johnson | 18 | Millfield | 17:27.15 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 40 | Phoebe Arbuckle | 16 | Warrender Ba | 17:06.42 |
| 1 | 42 | Hollie Wilson | 16 | Co Leeds | 16:55.71 |
| 2 | 44 | Lucy Fox | 18 | Wycombe Dist | 16:46.88 |
| 3 | 46 | Lucie Hanquet | 21 | Lboro Uni | 16:29.42 |
| 4 | 48 | Amelie Blocksidge | 15 | Co Salford | 16:10.04 |
| 5 | 47 | Fleur Lewis | 21 | Lboro Uni | 16:25.78 |
| 6 | 45 | Michaella Glenister | 22 | UniOfStirl | 16:44.51 |
| 7 | 43 | Ella Dyson | 20 | Wycombe Dist | 16:54.37 |
| 8 | 41 | Amber Keegan | 27 | Co Sheffield | 16:57.07 |
| 9 | 39 | Ava Cook | 16 | Co Sheffield | 17:09.12 |