EVENT 101 Boys/Girls 13 Yrs/Over 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Molly ROBERTS | 14 | Halifax | 6:05.14 |
| 2 | 2 | Alannah CARRUTHERS | 13 | Bolton Metro | 5:55.76 |
| 3 | 3 | Maisie LEUCHARS | 13 | Bolton Metro | 5:53.38 |
| 4 | 4 | Abbie BRENNAND | 15 | Bolton Metro | 5:51.37 |
| 5 | 5 | Grace WIGHTMAN-LOVE | 13 | Bolton Metro | 5:50.04 |
| 6 | 6 | Craig STOVIN | 14 | Ellesmere Co | 5:47.29 |
| 7 | 7 | George KNOWLES | 13 | Co Leeds | 5:47.07 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 8 | Charlotte CLARKE | 13 | Co Leeds | 5:44.78 |
| 1 | 9 | Bethany SHUM | 13 | Bolton Metro | 5:42.51 |
| 2 | 10 | Ella SHAW | 14 | Ellesmere Co | 5:36.07 |
| 3 | 11 | Georgia HEATH | 14 | Bolton Metro | 5:29.65 |
| 4 | 12 | Imogen RHODES | 15 | Ellesmere Co | 5:28.62 |
| 5 | 13 | Evie MURDOCH | 13 | Co Leeds | 5:26.83 |
| 6 | 14 | Lola OKE | 14 | Ellesmere Co | 5:24.58 |
| 7 | 15 | Archie NEAVES | 13 | Ellesmere Co | 5:21.90 |
| 8 | 16 | Harrison LEE | 14 | Co Wakefield | 5:20.60 |
| 9 | 17 | Henrietta D'AMMASSA | 13 | Ellesmere Co | 5:20.12 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 19 | Oliver COVILL | 13 | Ellesmere Co | 5:18.21 |
| 1 | 21 | Harrison ASPINALL | 14 | Ellesmere Co | 5:17.06 |
| 2 | 23 | Jack SENIOR | 14 | Co Leeds | 5:16.33 |
| 3 | 25 | Amber DOWNHAM | 13 | Chesterfield | 5:06.49 |
| 4 | 27 | George SMITH | 14 | Ellesmere Co | 4:55.95 |
| 5 | 26 | Jamie BROOME | 16 | Co Leeds | 5:03.18 |
| 6 | 24 | Samual NICHOLLS | 14 | Chesterfield | 5:13.39 |
| 7 | 22 | Finlay WILLIAMS | 14 | Co Leeds | 5:16.40 |
| 8 | 20 | Charlie BROOME | 14 | Co Leeds | 5:17.21 |
| 9 | 18 | Elliott WATKINS | 13 | Co Leeds | 5:19.77 |