EVENT 103 Boy 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Winston Crosthwaite | 10 | Bolton Metro | 1:46.51 |
| 2 | 3 | Connor Cartwright | 10 | Southport | 1:45.56 |
| 3 | 4 | Finlay Dale | 9 | Southport | 1:40.31 |
| 4 | 6 | Liam Smith | 11 | Wigan BEST | 1:35.19 |
| 5 | 5 | Alec Birchall | 10 | Lancaster | 1:37.37 |
| 6 | 56 | Ben Kavanagh | 11 | Bolton Metro | 1:43.00 |
| 7 | 2 | Bobby Eadie | 9 | Co Salford | 1:46.30 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Ethan Blyth | 11 | Bolton Metro | 1:32.99 |
| 2 | 10 | Tyler Smith | 11 | Blackpool Aq | 1:31.70 |
| 3 | 12 | Thomas Horabin | 12 | Fleetwood | 1:30.87 |
| 4 | 14 | Ollie Robinson | 12 | Co Salford | 1:29.01 |
| 5 | 13 | Benji Sutcliffe | 10 | Ramsbottom | 1:29.13 |
| 6 | 11 | Oliver Threlfall | 12 | Clitheroe | 1:31.47 |
| 7 | 9 | Finlay Byrne | 10 | Southport | 1:31.87 |
| 8 | 7 | Archie Honey | 11 | Blackpool Aq | 1:34.19 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Travis Minto | 12 | Fleetwood | 1:28.01 |
| 2 | 18 | Oliver Thomas | 12 | Oldham Aqua | 1:27.35 |
| 3 | 20 | Conor Jackson | 13 | Winsford | 1:24.66 |
| 4 | 22 | Mark Owen | 12 | Bolton Metro | 1:23.10 |
| 5 | 21 | Mason Stocks | 12 | Aquabears | 1:23.97 |
| 6 | 19 | Cole Hood | 12 | Stretford | 1:26.40 |
| 7 | 17 | Isaac Peet | 12 | Gt Harwood | 1:27.96 |
| 8 | 15 | Ben Noakes | 12 | Bolton Metro | 1:28.70 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Daniel Barton | 11 | Wigan BEST | 1:22.18 |
| 2 | 26 | Luke Brierley | 14 | Blackburn | 1:19.52 |
| 3 | 28 | Jacob Birchall | 13 | Blackburn | 1:18.65 |
| 4 | 30 | Jaeden Lim | 14 | Stretford | 1:18.42 |
| 5 | 29 | Harrison Dale | 11 | Southport | 1:18.50 |
| 6 | 27 | Lee Scholes | 11 | Oldham Aqua | 1:19.00 |
| 7 | 25 | Liam Hardy | 18 | Oldham Aqua | 1:21.00 |
| 8 | 23 | Callum Byrne | 11 | Southport | 1:22.61 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 32 | Thomas Binns | 14 | Burnley BOBC | 1:18.19 |
| 2 | 34 | Charlie Shine | 15 | Bury & Elton | 1:16.90 |
| 3 | 36 | Oliver Nutter | 13 | Burnley BOBC | 1:15.49 |
| 4 | 38 | Ben Little | 14 | Co Salford | 1:15.00 |
| 5 | 37 | Jacob Camden | 13 | Wigan BEST | 1:15.10 |
| 6 | 35 | Caleb Waldermar | 13 | Fleetwood | 1:16.19 |
| 7 | 33 | Ethan Maylor | 13 | Wigan BEST | 1:17.09 |
| 8 | 31 | Flynn Morris | 14 | Chorley Marl | 1:18.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 41 | Daniel Croft | 14 | Oldham Aqua | 1:12.46 |
| 2 | 43 | Alexander Hornby | 14 | Wigan BEST | 1:12.30 |
| 3 | 45 | Ethan Colman | 15 | Blackburn | 1:12.02 |
| 4 | 47 | Shea Whiteley | 15 | Ramsbottom | 1:11.50 |
| 5 | 46 | Joseph Peet | 15 | Gt Harwood | 1:11.76 |
| 6 | 44 | James Wakelin | 14 | Co Salford | 1:12.21 |
| 7 | 42 | Cody Bridge | 13 | Blackpool Aq | 1:12.35 |
| 8 | 39 | Flynn Martin | 13 | Chorley Marl | 1:14.50 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 49 | Michael Birchall | 15 | Blackburn | 1:09.64 |
| 2 | 51 | Henry Holding | 15 | Burnley BOBC | 1:07.60 |
| 3 | 53 | Matthew Fullalove | 16 | Southport | 1:07.40 |
| 4 | 55 | Benjamin Overland | 16 | Stretford | 1:01.45 |
| 5 | 54 | Zach Walmsley | 17 | Blackburn | 1:03.92 |
| 6 | 52 | Ethan Bland | 16 | Lancaster | 1:07.50 |
| 7 | 50 | Luqa Ismail-Keyes | 15 | Stretford | 1:08.99 |
| 8 | 48 | Henry Ball | 13 | Winsford | 1:11.18 |