EVENT 201 Boys Open 400m Freestyle - Heats
Not Competing : 6
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Ethan COWELL | 9 | Co Leeds | 6:34.90 |
| 3 | 4 | Owen WHITTAKER | 12 | Leyland Barr | 6:23.40 |
| 4 | 7 | Archie DANDY | 10 | Leyland Barr | 6:04.20 |
| 5 | 5 | George LEE | 12 | Leyland Barr | 6:19.00 |
| 6 | 3 | Oliver GOODISON | 10 | Co Leeds | 6:30.00 |
| 7 | 1 | Jake NEAVES | 9 | Ellesmere Co | 6:45.30 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 9 | Kelsey LIU | 10 | Bolton Metro | 5:52.70 |
| 1 | 11 | Archie WICKENS | 14 | Northgate | 5:41.40 |
| 2 | 13 | Jamie BROADHURST | 12 | Co Leeds | 5:39.30 |
| 3 | 15 | Oliver WHITTLESTON | 11 | Co Leeds | 5:35.90 |
| 4 | 17 | Jacob GOODWIN | 12 | Co Leeds | 5:26.82 |
| 5 | 16 | Nathan DULAY | 12 | Co Leeds | 5:32.50 |
| 6 | 14 | Zak STOLARSKI | 13 | Co Leeds | 5:36.40 |
| 7 | 12 | George BROOKS | 11 | Co Leeds | 5:41.18 |
| 8 | 10 | Luke DYER | 11 | Co Leeds | 5:48.00 |
| 9 | 8 | Asher MAXFIELD | 10 | Co Leeds | 6:01.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 19 | Reuben QUAYLE | 11 | Bolton Metro | 5:19.94 |
| 1 | 21 | William BACON | 13 | Co Leeds | 5:15.60 |
| 2 | 23 | Solomon HODGSON | 12 | Co Leeds | 5:14.40 |
| 3 | 25 | Jack ASHTON | 12 | Bolton Metro | 5:06.90 |
| 4 | 27 | Jake COOPER | 15 | Blackpool Aq | 5:06.40 |
| 5 | 26 | Thomas AUBREY | 14 | Lincoln Vulc | 5:06.40 |
| 6 | 24 | Joseph MOMENT | 12 | Scarborough | 5:07.40 |
| 7 | 22 | Callum COURT | 14 | Prescot | 5:15.10 |
| 8 | 20 | Jad IDRIS | 12 | Co Leeds | 5:17.03 |
| 9 | 18 | Harry SENIOR | 11 | Co Leeds | 5:23.57 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 29 | Ben RITSON | 13 | Northgate | 5:04.40 |
| 1 | 31 | Toby MIDDLETON | 14 | Bolton | 4:58.00 |
| 2 | 33 | Samuel MOMENT | 15 | Scarborough | 4:53.10 |
| 3 | 35 | Elliott WATKINS | 13 | Co Leeds | 4:50.00 |
| 4 | 37 | Joshua KING | 14 | Bolton Metro | 4:45.16 |
| 5 | 36 | Max DELANEY | 13 | Leyland Barr | 4:48.90 |
| 6 | 34 | Henry FIRTH | 13 | Co Leeds | 4:51.52 |
| 7 | 32 | Dariush KHODAKHAH | 13 | Co Leeds | 4:57.54 |
| 8 | 30 | Kourosh KHODAKHAH | 11 | Co Leeds | 5:01.60 |
| 9 | 28 | James RAW | 11 | Ellesmere Co | 5:04.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 39 | Gabriel TAYLOR-RIMMER | 14 | Bolton Metro | 4:42.92 |
| 1 | 41 | Finlay WILLIAMS | 14 | Co Leeds | 4:42.30 |
| 2 | 43 | George KNOWLES | 13 | Co Leeds | 4:40.40 |
| 3 | 45 | Craig STOVIN | 14 | Ellesmere Co | 4:38.00 |
| 4 | 47 | Alexander LAMB | 14 | Altrincham | 4:36.90 |
| 5 | 46 | Daniel GALLOWAY | 14 | Northgate | 4:37.91 |
| 6 | 44 | Harry MILNER | 14 | Co Leeds | 4:38.50 |
| 7 | 42 | Dominic MATHIAS | 13 | Co Leeds | 4:41.60 |
| 8 | 40 | Joseph BURNELL | 15 | Co Leeds | 4:42.46 |
| 9 | 38 | Joe RITSON | 13 | Northgate | 4:43.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 49 | Archie NEAVES | 13 | Ellesmere Co | 4:36.00 |
| 1 | 51 | Harrison ASPINALL | 14 | Ellesmere Co | 4:35.30 |
| 2 | 53 | Jamie BROOME | 16 | Co Leeds | 4:28.90 |
| 3 | 55 | Adam WOOD | 16 | Co Leeds | 4:27.20 |
| 4 | 57 | Kyle MCKENNA | 15 | Leyland Barr | 4:20.80 |
| 5 | 56 | Alexander ROSSER-BARNE | 15 | Ellesmere Co | 4:21.33 |
| 6 | 54 | Ashley DONALDSON | 14 | Altrincham | 4:28.80 |
| 7 | 52 | James HANDFORD | 14 | Leyland Barr | 4:33.40 |
| 8 | 50 | Charlie BROOME | 14 | Co Leeds | 4:35.60 |
| 9 | 48 | William NAYLOR | 16 | Blackpool Aq | 4:36.27 |