EVENT 301 Open/Male 400m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Sam McCusker | 15 | Altrincham | |
| 4 | 3 | Lucas Cooke | 15 | Preston | |
| 5 | 2 | Freddie Sutton | 15 | Copeland | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Ben Noakes | 16 | Bolton Metro | |
| 2 | 7 | Joseph Todhunter | 15 | Copeland | |
| 3 | 9 | Callum Mongan | 18 | Aquabears | |
| 4 | 13 | William Shears | 16 | Preston | |
| 5 | 10 | Oscar Maddrell | 13 | Io Man | |
| 6 | 8 | Edward McDonald | 14 | Warrington W | |
| 7 | 6 | Daniel Barton | 15 | Wigan BEST | |
| 8 | 4 | Matthew Bell | 17 | Carlisle Aq | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Ciaran Turner | 16 | Winsford | |
| 2 | 18 | Leo Ashcroft | 13 | Wigan BEST | |
| 3 | 20 | Daniel French | 14 | Wirral Metro | |
| 4 | 22 | James Graham | 14 | Co Liverpool | |
| 5 | 21 | Andrew Dobbing | 20 | Bebington | |
| 6 | 19 | Leo Craven | 13 | Warrington W | |
| 7 | 17 | Jack Maher | 17 | Hoylake | |
| 8 | 14 | Kc Grimshaw | 16 | Wigan BEST | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Micah-Noel Schrank | 17 | Co Manch Aq | |
| 2 | 27 | Finlay Byrne | 14 | Southport | |
| 3 | 29 | Samuel Ollier | 17 | Knutsford | |
| 4 | 31 | Ben Stephenson | 14 | Wirral Metro | |
| 5 | 30 | Matthew Yeung | 16 | Co Salford | |
| 6 | 28 | George Daintith | 17 | Co Liverpool | |
| 7 | 26 | Rowan Allison | 17 | Preston | |
| 8 | 23 | Gus Fraser | 14 | Winsford | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 34 | James Vaughan | 15 | Wigan BEST | : . |
| 2 | 36 | Dylan Madican | 16 | Co Liverpool | : . |
| 3 | 39 | Rhys Pownall | 16 | Preston | : . |
| 4 | 41 | Joshua Keogh | 17 | Bolton Metro | : . |
| 5 | 40 | Lachlan Beazley | 18 | Co Manch Aq | : . |
| 6 | 38 | Alfie Owen | 16 | Wigan BEST | : . |
| 7 | 35 | Matthew Sawers | 16 | Wigan BEST | : . |
| 8 | 33 | Robert Goodall | 17 | Aquabears | : . |