EVENT 309 Mixed 1500m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 3 | Grace Taylor | 17 | Bolton Metro | |
| 3 | 5 | Elizabeth Lyons | 16 | Co Liverpool | |
| 4 | 7 | Chloe Hopkinson | 19 | Co Manch Aq | |
| 5 | 6 | Emily French | 16 | Wirral Metro | |
| 6 | 4 | Letian Wu | 15 | Trafford Met | |
| 7 | 1 | Jasmine Bullough-Teal | 17 | Burnley BOBC | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Amelia Gerrard | 15 | Co Liverpool | |
| 2 | 11 | Lauren Dennett | 15 | Io Man | |
| 3 | 13 | Lauren Berry | 14 | Wirral Metro | |
| 4 | 15 | Jessica Corder | 15 | Co Salford | |
| 5 | 14 | Isobel Hitchmough | 15 | Co Liverpool | |
| 6 | 12 | Annabel Irvine | 14 | Co Liverpool | |
| 7 | 10 | Martha Sumnall | 14 | Co Liverpool | |
| 8 | 8 | Kiera Prentice | 20 | Co Manch Aq | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Macy Barker | 17 | Co Liverpool | : . |
| 2 | 20 | Amy Kenworthy | 18 | Winsford | : . |
| 3 | 22 | Patrick Harriman | 15 | Satellite | : . |
| 4 | 24 | Matthew Sawers | 15 | Wigan BEST | : . |
| 5 | 23 | Oliver Lambert | 15 | Co Liverpool | : . |
| 6 | 21 | Kerry Hennie | 16 | Co Liverpool | : . |
| 7 | 18 | Payton Chesters | 16 | Co Liverpool | : . |
| 8 | 16 | Vivien Wilkinson | 13 | Wirral Metro | : . |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Madison Rens | 17 | Co Liverpool | : . |
| 2 | 28 | Abbie Roscoe | 15 | Wirral Metro | : . |
| 3 | 33 | George Daintith | 16 | Co Liverpool | : . |
| 4 | 35 | Ethan Kelly | 16 | Co Liverpool | : . |
| 5 | 34 | Amelie Blocksidge | 15 | Co Salford | : . |
| 6 | 29 | Jack Pritchard | 17 | Wigan BEST | : . |
| 7 | 27 | Lucy Parsons | 17 | Co Liverpool | : . |
| 8 | 25 | Aidan Kearney | 16 | Co Liverpool | : . |