EVENT 401 Female 14 Yrs/Under 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Eris Coxon | 12 | Winsford | 20:31.09 |
| 4 | 4 | Isla Perry | 12 | Warrington W | 20:22.57 |
| 5 | 3 | Alba Vazzana | 12 | Warrington W | 20:22.80 |
| 6 | 1 | Yuet Tung Yam | 12 | Trafford Met | 21:12.82 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Jessica Barnett | 13 | Winsford | 20:05.20 |
| 2 | 8 | Maya Karwa | 13 | Warrington W | 19:51.66 |
| 3 | 10 | Anujin Unur | 12 | Warrington W | 19:29.40 |
| 4 | 12 | Layla Dolan | 14 | Wigan BEST | 19:19.55 |
| 5 | 11 | Ruby Whiteside | 14 | Co Salford | 19:19.90 |
| 6 | 9 | Eva Smith | 13 | Co Liverpool | 19:44.64 |
| 7 | 7 | Esmee Moore | 13 | Bolton Metro | 19:55.18 |
| 8 | 5 | Evie Webster | 13 | Trafford Met | 20:05.21 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Natalie Koleva | 14 | Warrington W | 19:00.74 |
| 2 | 16 | Emily Rowe | 14 | Co Salford | 18:50.51 |
| 3 | 18 | Harper Aspinall | 13 | Wirral Metro | 18:33.70 |
| 4 | 20 | Vivien Wilkinson | 14 | Wirral Metro | 18:00.50 |
| 5 | 19 | Allanah Donlan | 14 | Warrington W | 18:30.80 |
| 6 | 17 | Ava Halliwell | 14 | Wirral Metro | 18:39.94 |
| 7 | 15 | Martha Baxter | 13 | Co Liverpool | 19:00.05 |
| 8 | 13 | Daisy D'Arcy | 14 | Co Liverpool | 19:03.97 |