EVENT 207 Open/Male 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | George Longley | 16 | S6 | Carnforth | |
| 4 | 3 | Gabriel Barnett | 14 | | Blackpool Aq | |
| 5 | 2 | Benji Sutcliffe | 14 | | Ramsbottom | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 4 | Dylan Gregory | 14 | | Co Liverpool | |
| 2 | 6 | Jasper Gibson-Bird | 14 | | Fleetwood | |
| 3 | 8 | Daniel Houghton-Butler | 15 | | Halton | |
| 4 | 10 | Tom Bell | 16 | | Barrow | |
| 5 | 9 | Oliver Dowty | 16 | | Io Man | 1:02.27 |
| 6 | 7 | Micah-Noel Schrank | 17 | | Co Manch Aq | |
| 7 | 5 | Archie Honey | 14 | | Blackpool Aq | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 12 | George Daintith | 17 | | Co Liverpool | |
| 2 | 14 | Samuel Wilson | 14 | | Ramsbottom | 1:02.67 |
| 3 | 16 | Daniel Barton | 15 | | Wigan BEST | 1:01.73 |
| 4 | 18 | Samuel Ollier | 17 | | Knutsford | |
| 5 | 17 | Owen Donnelly | 16 | | Clitheroe | |
| 6 | 15 | James Vaughan | 15 | | Wigan BEST | 1:02.57 |
| 7 | 13 | Matthew Foley | 16 | | Ulverston | |
| 8 | 11 | Daniel Ashton | 15 | | Blackburn | |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 22 | Caleb Gowenlock | 15 | | Wigan BEST | |
| 2 | 28 | Thomas Rickels | 14 | | Co Liverpool | 1:00.54 |
| 3 | 36 | Elliott Hughes | 15 | | Trafford Met | 1:00.18 |
| 4 | 42 | Oliver Parry | 17 | | Ramsbottom | 57.34 |
| 5 | 39 | Reuben Quayle | 18 | | Blackburn | 58.78 |
| 6 | 33 | Joshua Hayes | 17 | | Wigan BEST | 59.97 |
| 7 | 25 | Dexter Diver | 16 | | Blackpool Aq | |
| 8 | 19 | Callum Mongan | 18 | | Aquabears | |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 23 | Matthew Richardson | 16 | | Preston | |
| 2 | 29 | Ben Saxby | 15 | | Ramsbottom | 1:00.52 |
| 3 | 37 | Lachlan Beazley | 18 | | Co Manch Aq | 1:01.26 |
| 4 | 43 | Henry Taylor | 17 | | Stockport Mo | 57.52 |
| 5 | 40 | Fergus Bell | 17 | | Ulverston | 58.39 |
| 6 | 34 | Alfie Owen | 16 | | Wigan BEST | 1:00.17 |
| 7 | 26 | Cole Hood | 15 | | Wigan BEST | 1:02.26 |
| 8 | 20 | Isaac Shaw | 16 | | Preston | |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 24 | James Farnan | 15 | | Io Man | |
| 2 | 30 | Max Henderson | 17 | | Cockermouth | 1:00.34 |
| 3 | 38 | Toby Hill | 21 | | Co Manch Aq | 56.96 |
| 4 | 44 | Harry Robinson | 21 | | Io Man | |
| 5 | 41 | Joel Morley | 22 | | Co Manch Aq | 57.34 |
| 6 | 35 | Harry Moore | 16 | | Stockport Mo | 1:01.03 |
| 7 | 27 | Robert Goodall | 17 | | Aquabears | |
| 8 | 21 | Finlay Byrne | 14 | | Southport | |