EVENT 207 Open/Male 14 Yrs/Under 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Eli Birchenough | 13 | Io Man | 6:12.50 |
| 3 | 3 | Jenson Roberts | 11 | Satellite | 6:06.60 |
| 4 | 5 | Jacob Wilson | 13 | Kendal | 5:56.70 |
| 5 | 4 | Alastair Buis | 13 | Carlisle Aq | 5:56.85 |
| 6 | 2 | Ethan Prior | 13 | Ormskirk | 6:11.14 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Darshak Balamurugan | 14 | Co Liverpool | 5:54.70 |
| 2 | 9 | Andrew Wu | 13 | Trafford Met | 5:53.00 |
| 3 | 11 | Jesse Carter | 14 | Co Chester | 5:50.40 |
| 4 | 13 | Thomas Ball | 12 | Co Liverpool | 5:49.61 |
| 5 | 12 | Daniel Rykowski | 13 | Leyland Barr | 5:49.71 |
| 6 | 10 | William Stamper | 13 | Co Liverpool | 5:52.80 |
| 7 | 8 | Kaloyan Nedyalkov | 13 | Workington | 5:53.80 |
| 8 | 6 | Albion Dobrushi | 12 | Co Liverpool | 5:54.90 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Alfie Butterworth | 13 | Winsford | 5:48.60 |
| 2 | 18 | Logan Evans | 12 | Blackpool Aq | 5:47.50 |
| 3 | 20 | Thomas Dale | 14 | Warrington W | 5:38.20 |
| 4 | 22 | Farron Bigrigg | 14 | Cockermouth | 5:34.70 |
| 5 | 21 | Harrison Burgess | 13 | Ramsbottom | 5:37.30 |
| 6 | 19 | Antony Ziemer | 12 | Ramsbottom | 5:45.80 |
| 7 | 16 | Casey Costain | 14 | Wirral Metro | 5:48.20 |
| 8 | 14 | Elliott Dart | 14 | Kendal | 5:49.60 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Winston Crosthwaite | 14 | Bolton Metro | 5:33.82 |
| 2 | 26 | Samuel Higginbottom | 13 | Lancaster | 5:32.64 |
| 3 | 29 | Gus Fraser | 14 | Winsford | 5:26.00 |
| 4 | 32 | James Graham | 14 | Co Liverpool | 5:23.52 |
| 5 | 30 | Leo Craven | 13 | Warrington W | 5:25.70 |
| 6 | 27 | Logan Byrne | 14 | Southport | 5:30.64 |
| 7 | 25 | Ethan Craven | 12 | Warrington W | 5:32.73 |
| 8 | 23 | Jacob Baker | 14 | Aquabears | 5:33.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | Leo Ashcroft | 13 | Wigan BEST | 5:20.30 |
| 2 | 36 | Ethan Blyth | 14 | Bolton Metro | 5:16.39 |
| 3 | 38 | George Pearce | 14 | Winsford | 5:14.00 |
| 4 | 40 | Finlay Byrne | 14 | Southport | 5:07.16 |
| 5 | 39 | Ben Stephenson | 14 | Garston | 5:09.70 |
| 6 | 37 | Luke Nevin Suarez | 14 | Winsford | 5:15.60 |
| 7 | 35 | Daniel French | 14 | Wirral Metro | 5:16.68 |
| 8 | 33 | Gabriel Barnett | 14 | Blackpool Aq | 5:20.50 |