EVENT 406 Open/Male 15 /Over 400m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | George Longley | 17 | S6 | Carnforth | |
| 4 | 3 | Ethan Stout | 15 | | Co Salford | |
| 5 | 2 | Thomas Hall | 17 | S10 | Stretford | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 4 | Samuel Lutas | 15 | | Co Liverpool | |
| 2 | 6 | Elliott Dart | 15 | | Kendal | |
| 3 | 9 | Zachary Flitton | 16 | | Workington | |
| 4 | 11 | William Birchall | 15 | | Satellite | |
| 5 | 10 | Oliwier Zajac | 16 | | Warrington W | |
| 6 | 8 | Casey Costain | 15 | | Wirral Metro | |
| 7 | 5 | Joshua Blackledge | 15 | | Burnley BOBC | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 13 | Henry Hodkinson | 15 | | Leyland Barr | |
| 2 | 15 | Joseph Lambert | 16 | | Lancaster | |
| 3 | 17 | Dylan Gregory | 15 | | Co Liverpool | |
| 4 | 19 | James Wilson | 16 | | Stretford | |
| 5 | 18 | Haydn Unwin | 16 | | Stockport Mo | |
| 6 | 16 | William Brearton | 15 | | Wirral Metro | |
| 7 | 14 | Jacob Irving | 15 | | Co Liverpool | |
| 8 | 12 | Abel Buso | 15 | | Winsford | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 21 | William Kershaw | 16 | | Blackpool Aq | |
| 2 | 24 | Cain Ashton | 16 | | Stockport Mo | |
| 3 | 26 | Edward McDonald | 15 | | Warrington W | |
| 4 | 28 | Joseph Todhunter | 16 | | Copeland | |
| 5 | 27 | Ed Pearson | 15 | | Io Man | |
| 6 | 25 | William Shears | 17 | | Preston | |
| 7 | 22 | Micah-Noel Schrank | 18 | | Co Manch Aq | |
| 8 | 20 | Zack Cocksedge | 17 | | Knutsford | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 30 | William Dixon | 16 | | Co Liverpool | |
| 2 | 32 | Archie Sharratt | 16 | | Stockport Mo | |
| 3 | 34 | Gus Fraser | 15 | | Winsford | |
| 4 | 36 | Gabriel Barnett | 15 | | Blackpool Aq | |
| 5 | 35 | James Dixon | 15 | | Co Liverpool | |
| 6 | 33 | Freddie Hunter | 17 | | Preston | |
| 7 | 31 | Lucas Cooke | 16 | | Preston | |
| 8 | 29 | Archie Honey | 15 | | Blackpool Aq | |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 38 | Rowan Allison | 18 | | Preston | |
| 2 | 40 | Elijah Carter | 17 | | Co Chester | |
| 3 | 42 | Zachary Patino | 16 | | Co Liverpool | |
| 4 | 44 | Dylan Hughes | 17 | | Stockport Mo | |
| 5 | 43 | Edward Smalley | 17 | | Winsford | |
| 6 | 41 | Matthew Yeung | 17 | | Co Salford | |
| 7 | 39 | Finlay Byrne | 15 | | Co Liverpool | |
| 8 | 37 | Oliver Glaister | 15 | | Workington | |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 46 | Oliver Ingham | 18 | | Co Salford | |
| 2 | 48 | Kc Grimshaw | 17 | | Wigan BEST | |
| 3 | 50 | James Graham | 15 | | Co Liverpool | |
| 4 | 52 | George Dixon | 19 | | Co Liverpool | |
| 5 | 51 | Lewis Cooper | 16 | | Cockermouth | |
| 6 | 49 | Oliver Moore | 18 | | Satellite | |
| 7 | 47 | Mason Grady | 16 | | Stockport Mo | |
| 8 | 45 | Callum Byrne | 16 | | Co Liverpool | |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 54 | Jonny Fidalgo-Hull | 19 | | Cockermouth | |
| 2 | 56 | Corey Owens | 16 | | Stockport Mo | |
| 3 | 58 | Aidan Kearney | 18 | | Co Liverpool | |
| 4 | 60 | Matthew Sawers | 17 | | Wigan BEST | |
| 5 | 59 | Benjamin Ross | 18 | | Co Salford | |
| 6 | 57 | Mark Owen | 17 | | Bolton Metro | |
| 7 | 55 | Benji Sutcliffe | 15 | | Ramsbottom | |
| 8 | 53 | Luke Stefan Nevin Suar | 15 | | Winsford | |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 62 | Thomas Rickels | 15 | | Co Liverpool | : . |
| 2 | 66 | George Daintith | 18 | | Co Liverpool | : . |
| 3 | 68 | Daniel Khodaverdi | 17 | | Stockport Mo | : . |
| 4 | 70 | Ethan Kelly | 18 | | Co Liverpool | : . |
| 5 | 69 | Samuel Sutcliffe | 17 | | Ramsbottom | : . |
| 6 | 67 | Leo Talbot | 16 | | Bolton Metro | : . |
| 7 | 65 | Dominic Workman | 17 | | Co Liverpool | : . |
| 8 | 61 | Jack Pritchard | 19 | | Wigan BEST | : . |