EVENT 101 Female 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Sarah Dew | 17 | Leic Sharks | 19:01.68 |
| 2 | 4 | Emily Talkes | 12 | Lincoln Vulc | 18:56.03 |
| 3 | 6 | Phoebe Benyon | 14 | Nova Cent'n | 18:38.81 |
| 4 | 8 | Lana Webb | 15 | Northampton | 18:36.10 |
| 5 | 7 | Amy Walker | 15 | Worksop | 18:37.88 |
| 6 | 5 | Daisy Tatlow-Turner | 14 | Chesterfield | 18:42.50 |
| 7 | 3 | Paige Bagshaw | 13 | Nova Cent'n | 18:56.35 |
| 8 | 1 | Aurelia Wawrzyniewicz | 15 | Nova Cent'n | 19:05.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Grace Grindrod | 16 | Northampton | 18:19.20 |
| 2 | 12 | Jasmine Vaartjes | 15 | Repton | 18:09.08 |
| 3 | 14 | Philippa Hickman | 16 | Nova Cent'n | 17:58.10 |
| 4 | 16 | Janie Finch | 14 | Co Leicester | 17:47.16 |
| 5 | 15 | Beau Cunningham | 15 | Corby | 17:56.80 |
| 6 | 13 | Grace Macdonald | 15 | Grantham | 17:58.62 |
| 7 | 11 | Lillie Hamilton | 16 | Louth | 18:16.20 |
| 8 | 9 | Francesca Hallam-Stott | 17 | Grantham | 18:23.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Phebe Adams | 15 | Northampton | 17:40.80 |
| 2 | 20 | Sana Le Falher | 17 | Repton | 17:35.90 |
| 3 | 22 | Hannah Hodgkiss | 18 | Repton | 17:16.87 |
| 4 | 24 | Fleur Lewis | 21 | Lboro Uni | 15:46.15 |
| 5 | 23 | Madison Emment | 17 | Repton | 17:00.36 |
| 6 | 21 | Francesca Harrison | 15 | Co Leicester | 17:26.90 |
| 7 | 19 | Clara Ginnis | 17 | Repton | 17:36.82 |
| 8 | 17 | Sophie Martin | 17 | Chesterfield | 17:44.10 |