EVENT 111 Women 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Amelia Gerrard | 09 | Warrington W | 18:30.40 |
| 2 | 3 | Evelyn Hallissey | 09 | Newcastle | 18:26.81 |
| 3 | 5 | Poppy Jeffery | 08 | Killerwhales | 18:25.78 |
| 4 | 7 | Jasmine Hall | 10 | Basildon Ph | 18:23.65 |
| 5 | 6 | Lilia Fornasier | 08 | RTW Monson | 18:24.21 |
| 6 | 4 | Katy Wun | 09 | Camden Swiss | 18:26.71 |
| 7 | 2 | Mia Boaler | 09 | Nuneaton | 18:27.83 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 9 | Edie Price | 09 | Mt Kelly | 18:20.96 |
| 1 | 11 | Megan Rickels | 08 | Winsford | 18:20.58 |
| 2 | 13 | Constanze Naranjo | 08 | Barnet Copt | 18:17.52 |
| 3 | 15 | Jemima Sawle | 08 | Portsmouth N | 18:17.29 |
| 4 | 17 | Shae Stewart | 06 | Nova Cent'n | 18:14.30 |
| 5 | 16 | Rachel Webb | 07 | Bassetlaw SS | 18:16.86 |
| 6 | 14 | Darcey Smith | 10 | Portsmouth N | 18:17.48 |
| 7 | 12 | Elizabeth Land | 09 | Newcastle | 18:19.57 |
| 8 | 10 | Weronika Mikolajewska | 08 | Co Peterboro | 18:20.90 |
| 9 | 8 | Francesca Harrison | 09 | Co Leicester | 18:23.30 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 19 | Rhianna Foster | 06 | KingstonHull | 18:11.66 |
| 1 | 21 | Isobel Hitchmough | 09 | Warrington W | 18:10.82 |
| 2 | 23 | Esmee Stockley | 07 | Mt Kelly | 18:09.69 |
| 3 | 25 | Katie Sherlock | 06 | Mt Kelly | 18:08.20 |
| 4 | 27 | Rebecca Coogan | 08 | Romford Town | 18:06.26 |
| 5 | 26 | Lucia Lopez | 07 | Co Milton K | 18:06.92 |
| 6 | 24 | Abigail Smiley | 09 | RTW Monson | 18:08.56 |
| 7 | 22 | Clara Ginnis | 07 | TigersJersey | 18:10.18 |
| 8 | 20 | Isla Ince | 09 | Millfield | 18:11.54 |
| 9 | 18 | Evi Mackie | 09 | Lanark | 18:13.87 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 29 | Adea Sollaku | 09 | Derby Excel | 18:05.74 |
| 1 | 31 | Jessica Cater | 07 | Nova Cent'n | 18:04.26 |
| 2 | 33 | Lauren Lilley | 08 | Co Leeds | 18:02.49 |
| 3 | 35 | Matilda Potter | 08 | Co Leeds | 17:59.82 |
| 4 | 37 | Payton Chesters | 08 | Warrington W | 17:58.66 |
| 5 | 36 | Amelie Shaw | 07 | Guildford Ct | 17:58.93 |
| 6 | 34 | Suzie McNair | 07 | StirlingSwim | 18:00.83 |
| 7 | 32 | Sophie Dowding | 07 | teamipswich | 18:03.72 |
| 8 | 30 | Emily Toms | 06 | Crawley | 18:05.36 |
| 9 | 28 | Sedona Reed | 07 | Co Leeds | 18:06.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 39 | Evangeline Stacey | 07 | Co Leeds | 17:57.81 |
| 1 | 41 | Maisie Dickinson | 07 | Wycombe Dist | 17:57.68 |
| 2 | 43 | Sophie Busby | 06 | Royal Wolv | 17:55.21 |
| 3 | 45 | Kerry Hennie | 08 | Warrington W | 17:50.22 |
| 4 | 47 | Lucy Matthews | 08 | Co Coventry | 17:49.40 |
| 5 | 46 | Louise Bressler | 06 | Guildford Ct | 17:49.49 |
| 6 | 44 | Amy Kenworthy | 06 | Winsford | 17:53.42 |
| 7 | 42 | Skye Austin-Burrows | 07 | Rushmoor Ryl | 17:56.55 |
| 8 | 40 | Georgia Dickie | 07 | Dumfries | 17:57.69 |
| 9 | 38 | Katherine Noble | 08 | Newcastle | 17:58.37 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 49 | Madison Emment | 07 | Guildford Ct | 17:48.79 |
| 1 | 51 | Hannah Hodgkiss | 06 | Repton | 17:46.83 |
| 2 | 53 | Alice Forrest | 09 | N & D PP SC | 17:44.92 |
| 3 | 55 | Charlotte Surrell | 07 | Chase | 17:43.51 |
| 4 | 57 | Liberty Gordon | 04 | Rushmoor Ryl | 17:43.09 |
| 5 | 56 | Jess Widdowson | 06 | Co Leeds | 17:43.37 |
| 6 | 54 | Olivia Sheehan | 05 | Wigan BEST | 17:43.94 |
| 7 | 52 | Evie Clare | 09 | Stockport Mo | 17:46.76 |
| 8 | 50 | Alice Young | 08 | Guildford Ct | 17:47.60 |
| 9 | 48 | Annabelle Compton | 08 | Wycombe Dist | 17:48.91 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 59 | Ella Blocksidge | 06 | Co Salford | 17:41.90 |
| 1 | 61 | Mollie Fisher | 05 | Rotherham Mo | 17:40.66 |
| 2 | 63 | Eleanor Kay | 06 | Bolton Metro | 17:39.77 |
| 3 | 65 | Chloe Goodridge | 05 | Northampton | 17:38.29 |
| 4 | 67 | Millie Threlfall | 09 | Co Leeds | 17:36.64 |
| 5 | 66 | Molly Baker | 07 | Co Sheffield | 17:37.78 |
| 6 | 64 | Laura Hodgson | 05 | Newcastle | 17:39.56 |
| 7 | 62 | Nicole Ryan | 98 | Guildford Ct | 17:40.45 |
| 8 | 60 | Georgia Robertson | 05 | Co Sheffield | 17:41.29 |
| 9 | 58 | Talia Staines | 02 | Team Luton | 17:42.03 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 69 | Fiona Byrne | 04 | Co Liverpool | 17:33.57 |
| 1 | 71 | Mairi Craig | 04 | Edinburgh Un | 17:30.62 |
| 2 | 73 | Ava Cook | 08 | Co Sheffield | 17:29.37 |
| 3 | 75 | Evangeline Belt | 06 | Plymouth Lea | 17:27.65 |
| 4 | 77 | Phoebe Arbuckle | 08 | Warrender Ba | 17:25.68 |
| 5 | 76 | Katie Lee | 08 | Co Salford | 17:26.36 |
| 6 | 74 | Livia Kingsland | 05 | Nova Cent'n | 17:29.12 |
| 7 | 72 | Lucy Parsons | 07 | Co Liverpool | 17:29.48 |
| 8 | 70 | Jessica Arundale | 05 | Barnet Copt | 17:31.62 |
| 9 | 68 | Tsala Bernholt | 06 | Barnet Copt | 17:35.51 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 79 | Ruby Griffiths | 06 | Mt Kelly | 17:24.22 |
| 1 | 81 | Abbie Roscoe | 09 | Wirral Metro | 17:20.50 |
| 2 | 83 | Alice Dearing | 97 | Lboro Uni | 17:07.59 |
| 3 | 85 | Leah Crisp | 01 | Bath PC | 16:46.68 |
| 4 | 87 | Fleur Lewis | 03 | Lboro Uni | 16:25.78 |
| 5 | 86 | Lucie Hanquet | 03 | Lboro Uni | 16:43.68 |
| 6 | 84 | Lucy Fox | 06 | Wycombe Dist | 17:00.92 |
| 7 | 82 | Anya Preece | 03 | Nova Cent'n | 17:13.42 |
| 8 | 80 | Grace Cummings | 06 | Thanet Swim | 17:23.03 |
| 9 | 78 | Cait Cotter | 07 | Chelmsford | 17:24.73 |