EVENT 606 Womens Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Millie Checkley | 15 | Co Birm'ham | 17:52.54 |
| 3 | 3 | Emma Dickson | 17 | Co Manch Aq | 17:49.66 |
| 4 | 5 | Isobel Bryant | 16 | Guildford Ct | 17:45.47 |
| 5 | 4 | Sapphira Gabbani | 16 | Co Sheffield | 17:46.40 |
| 6 | 2 | May Bradburn | 15 | Chelmsford | 17:51.28 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 7 | Megan Vingoe | 17 | Carn Brea | 17:44.58 |
| 2 | 9 | Kailyn Hall | 15 | Aberdeen Per | 17:43.39 |
| 3 | 11 | Katie Taylor | 19 | Co Glasgow | 17:39.96 |
| 4 | 13 | Erin Hoyland | 16 | Co Manch Aq | 17:38.41 |
| 5 | 12 | Victoria Dawson | 17 | Southport | 17:39.75 |
| 6 | 10 | Rebecca Flisher | 17 | Nova Cent'n | 17:41.83 |
| 7 | 8 | Lucy Hedley | 15 | Tynemouth | 17:44.08 |
| 8 | 6 | Ella Thatcher-Plant | 17 | Wrekin Coll | 17:45.11 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Keeley Murcott | 17 | Royal Wolv | 17:35.45 |
| 2 | 17 | Shannon Dalligan | 18 | Ellesmere Co | 17:31.46 |
| 3 | 19 | Ella Dyson | 15 | Wycombe Dist | 17:26.33 |
| 4 | 21 | Millie Emmans | 20 | SurreyUni SC | 17:23.56 |
| 5 | 20 | Grace Kinnell | 20 | Bracknell | 17:24.87 |
| 6 | 18 | Mackenzie Whyatt | 17 | Co Peterboro | 17:30.71 |
| 7 | 16 | Ella Took | 15 | Tynemouth | 17:32.32 |
| 8 | 14 | Chloe Stennett | 17 | Chesterfield | 17:35.65 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 23 | Olivia Clare | 16 | Co Manch Aq | 17:22.72 |
| 2 | 25 | Nikki Miller | 19 | Eastkilbride | 17:22.38 |
| 3 | 27 | Amber Keegan | 22 | Co Sheffield | 17:09.87 |
| 4 | 29 | Amelia Rodd | 17 | Ellesmere Co | 17:07.39 |
| 5 | 28 | Georgia Darwent | 21 | Newcastle | 17:09.47 |
| 6 | 26 | Iona Macleod | 16 | Dun City Aqu | 17:14.89 |
| 7 | 24 | Milly Boulding | 15 | Bo Kirklees | 17:22.59 |
| 8 | 22 | Tiegan Child | 17 | Beckenham | 17:22.72 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 31 | Fleur Lewis | 16 | Barnet Copt | 17:03.54 |
| 2 | 33 | Alisha Hawkins | 18 | Stockport Mo | 16:59.52 |
| 3 | 35 | Maisie Macartney | 18 | Thanet Swim | 16:52.34 |
| 4 | 37 | Michaella Glenister | 17 | Leic Sharks | 16:48.49 |
| 5 | 36 | Leah Crisp | 18 | Co Leeds | 16:49.54 |
| 6 | 34 | Emily Clarke | 22 | Loughboro Un | 16:55.82 |
| 7 | 32 | Nicole Ryan | 21 | Co Oxford | 17:02.75 |
| 8 | 30 | Lauren Wetherell | 17 | Ellesmere Co | 17:04.99 |