EVENT 111 Women Open 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 2 | Chiara Kiely-Croft | 14 | | Northampton | 23:55.00 |
| 4 | 4 | Frankie Britten | 14 | | Wellingboro | 23:15.95 |
| 5 | 3 | Mia Allan | 13 | | Northampton | 23:18.60 |
| 6 | 1 | Eliza Humphrey | 18 | S11 | Northampton | 25:45.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 6 | Teagan Payne | 12 | | Northampton | 22:40.00 |
| 2 | 8 | Kaelyn Cowe | 14 | | Corby | 22:30.11 |
| 3 | 10 | Orla Eyton-Jones | 17 | | Corby | 21:45.11 |
| 4 | 12 | Lyndsay Roe | 39 | | Kettering | 21:15.00 |
| 5 | 11 | Reena Adams | 15 | | Northampton | 21:43.24 |
| 6 | 9 | Emily Denton | 14 | | Northampton | 22:14.10 |
| 7 | 7 | Orna Lett | 13 | | Daventry | 22:35.00 |
| 8 | 5 | Chloe Dando | 14 | | Corby | 23:04.02 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 14 | Ella Mae Prior | 15 | | Corby | 21:03.80 |
| 2 | 16 | Lana Webb | 14 | | Northampton | 20:58.00 |
| 3 | 18 | Taryn Payne | 14 | | Northampton | 20:54.90 |
| 4 | 20 | Sophie Hacker | 16 | | Northampton | 20:42.10 |
| 5 | 19 | Lucy Dando | 17 | | Corby | 20:42.76 |
| 6 | 17 | Grace Wingham | 16 | | Kettering | 20:55.00 |
| 7 | 15 | Phebe Adams | 14 | | Northampton | 20:59.00 |
| 8 | 13 | Amy McVey | 15 | | Northampton | 21:07.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 22 | Grace Grindrod | 15 | | Northampton | 19:57.30 |
| 2 | 24 | Chiara Reedha | 14 | | Corby | 19:37.80 |
| 3 | 26 | Kalinika Cwiklinska | 16 | | Northampton | 19:07.00 |
| 4 | 28 | Chloe Goodridge | 18 | | Northampton | 16:50.89 |
| 5 | 27 | Emilia Cieszczyk | 16 | | Northampton | 18:08.40 |
| 6 | 25 | Sarah Hollis | 35 | | Northampton | 19:10.61 |
| 7 | 23 | Mia Matthews | 16 | | Northampton | 19:41.30 |
| 8 | 21 | Maddie Walden | 13 | | Northampton | 20:30.00 |