EVENT 411 Womens Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | Kathleen Baker | 30 | Poole | 18:45.73 |
| 2 | 4 | Lucy Pearce | 21 | S Bournem'th | 18:29.62 |
| 3 | 6 | Merissa Booth | 13 | Wycombe Dist | 18:16.94 |
| 4 | 8 | Amy Farthing | 20 | Sevenoaks | 18:14.80 |
| 5 | 7 | Mya Watt | 14 | Derventio | 18:16.73 |
| 6 | 5 | Harriet Smith | 14 | Wrekin Coll | 18:16.98 |
| 7 | 3 | Tegan Wollaston | 19 | Bor of Brox | 18:42.42 |
| 8 | 1 | Lucy Caroline Taylor | 19 | Airdrie&monk | 19:56.14 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 10 | Lisa Miller | 17 | Eastkilbride | 18:13.07 |
| 1 | 12 | Shannon Dalligan | 17 | Ellesmere Co | 18:12.26 |
| 2 | 14 | Charlotte Wensley | 14 | Guildford Ct | 18:11.43 |
| 3 | 16 | Aimee Hood | 14 | Co Coventry | 18:11.29 |
| 4 | 18 | Ella Dyson | 14 | Wycombe Dist | 18:09.97 |
| 5 | 17 | Katie Taylor | 18 | Heart Of Mid | 18:11.23 |
| 6 | 15 | Chantal Smith | 18 | Team Luton | 18:11.31 |
| 7 | 13 | Katie Hammond | 15 | Co Cambridge | 18:11.60 |
| 8 | 11 | Jennifer Murray | 15 | N Ayrshire | 18:12.98 |
| 9 | 9 | Taylor O'Rourke | 15 | Northampton | 18:13.97 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 20 | G Youngs Do Patrocinio | 15 | TauntonDeane | 18:09.35 |
| 1 | 22 | Ella Took | 14 | Tynemouth | 18:08.50 |
| 2 | 24 | Celyn Walmsley | 17 | Team Luton | 18:07.31 |
| 3 | 26 | A Palotai-Avella | 14 | S Bournem'th | 18:06.01 |
| 4 | 28 | Lucie Peck | 15 | West Norfolk | 18:04.38 |
| 5 | 27 | Charlotte Johnson | 15 | Mid Sussex | 18:05.89 |
| 6 | 25 | Amber Downham | 13 | Chesterfield | 18:06.44 |
| 7 | 23 | Ella Corby | 18 | SouthCroydon | 18:07.93 |
| 8 | 21 | Jessica Arundale | 13 | Barnet Copt | 18:08.66 |
| 9 | 19 | Megan Smit | 15 | Co Oxford | 18:09.41 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 30 | Rachel Bradley | 15 | Middlesboro | 18:02.44 |
| 1 | 32 | Livia Kingsland | 13 | Nova Cent'n | 18:01.96 |
| 2 | 34 | Thea O'Keefe | 18 | Poole | 18:01.53 |
| 3 | 36 | Sadie Flynn | 16 | Epsom Dist | 18:00.91 |
| 4 | 38 | Harriet Salisbury | 14 | Co Peterboro | 17:57.79 |
| 5 | 37 | Harmony Torrington | 14 | Derventio | 17:59.90 |
| 6 | 35 | Katie Thompson | 16 | Amersham | 18:01.21 |
| 7 | 33 | Ellie Wheeler | 16 | Basildon Ph | 18:01.88 |
| 8 | 31 | Analise Carver Varela | 18 | Barnet Copt | 18:02.10 |
| 9 | 29 | Rebecca Reid | 16 | Aberdeen | 18:03.23 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 40 | Megan Vingoe | 16 | Carn Brea | 17:57.18 |
| 1 | 42 | Emma Dickson | 16 | Co Manch Aq | 17:54.67 |
| 2 | 44 | Lily Merrett | 15 | Hoddesdon | 17:53.28 |
| 3 | 46 | Freya Stevens | 17 | Northampton | 17:51.14 |
| 4 | 48 | Keeley Murcott | 16 | Royal Wolv | 17:49.57 |
| 5 | 47 | Molly Francis | 17 | Mt Kelly | 17:51.01 |
| 6 | 45 | Ella Thatcher-Plant | 16 | Wrekin Coll | 17:51.76 |
| 7 | 43 | Isobel Bryant | 15 | Guildford Ct | 17:54.61 |
| 8 | 41 | G Moller-Butcher | 15 | Guildford Ct | 17:54.92 |
| 9 | 39 | Erin Hoyland | 15 | Co Manch Aq | 17:57.23 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 50 | Sapphira Gabbani | 15 | Co Sheffield | 17:48.98 |
| 1 | 52 | Lucy Woodliffe | 15 | Grimsby AST | 17:48.65 |
| 2 | 54 | Lucy Hedley | 14 | Tynemouth | 17:44.08 |
| 3 | 56 | Amelia Rodd | 16 | Redditch | 17:42.11 |
| 4 | 58 | Sophie Freeman | 14 | Colchester | 17:41.17 |
| 5 | 57 | Charlotte Kennedy | 16 | Stockport Mo | 17:41.63 |
| 6 | 55 | Olivia Clare | 15 | Co Manch Aq | 17:42.82 |
| 7 | 53 | Kailyn Hall | 14 | Aberdeen Per | 17:47.20 |
| 8 | 51 | Daisy Hill | 19 | KingstonHull | 17:48.82 |
| 9 | 49 | Tiegan Child | 16 | Beckenham | 17:49.25 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 60 | Milly Boulding | 14 | Bo Kirklees | 17:38.16 |
| 1 | 62 | Mackenzie Whyatt | 16 | Co Peterboro | 17:37.89 |
| 2 | 64 | Phoebe Griffiths | 18 | Ellesmere Co | 17:36.80 |
| 3 | 66 | Nikki Miller | 18 | Eastkilbride | 17:29.08 |
| 4 | 68 | Niamh Hofland | 16 | Royal Wolv | 17:20.58 |
| 5 | 67 | Emilia Sansome | 17 | Wycombe Dist | 17:27.55 |
| 6 | 65 | Olivia Miles | 16 | Thanet Swim | 17:30.05 |
| 7 | 63 | Chloe Stennett | 16 | Chesterfield | 17:37.79 |
| 8 | 61 | Megan Davies | 18 | Barnet Copt | 17:38.04 |
| 9 | 59 | Millie Emmans | 19 | Co Cambridge | 17:39.49 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 70 | Lauren Wetherell | 16 | Co Glasgow | 17:20.40 |
| 1 | 72 | Nicole Ryan | 20 | Co Oxford | 17:18.13 |
| 2 | 74 | Iona Macleod | 15 | Dun City Aqu | 17:14.89 |
| 3 | 76 | Leah Crisp | 17 | Co Leeds | 17:03.47 |
| 4 | 78 | Emily Clarke | 21 | Loughboro Un | 16:55.82 |
| 5 | 77 | Polly Holden | 19 | Nova Cent'n | 17:00.22 |
| 6 | 75 | Fleur Lewis | 15 | Barnet Copt | 17:03.54 |
| 7 | 73 | Alisha Hawkins | 17 | Stockport Mo | 17:15.70 |
| 8 | 71 | Michaella Glenister | 16 | Leic Sharks | 17:20.27 |
| 9 | 69 | Maisie Macartney | 17 | Thanet Swim | 17:20.43 |