EVENT 406 Open/Male 14 /Under 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Junior Lloyd | 12 | Stockport Mo | 1:21.50 |
| 3 | 5 | Oliver Sellers | 12 | Leyland Barr | 1:21.30 |
| 4 | 7 | Harry Posner | 12 | Blackpool Aq | 1:20.45 |
| 5 | 6 | Caspar Ollier | 12 | Knutsford | 1:20.93 |
| 6 | 4 | Arthur Tweed | 12 | Co Salford | 1:21.30 |
| 7 | 1 | Ben Davidson | 11 | Workington | 1:21.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Emmett Eastwood | 12 | Aquabears | 1:19.80 |
| 2 | 11 | Logan Evans | 12 | Blackpool Aq | 1:17.40 |
| 3 | 13 | Starson Butterworth | 12 | Ramsbottom | 1:17.21 |
| 4 | 15 | Kaloyan Nedyalkov | 13 | Workington | 1:15.90 |
| 5 | 14 | Jacob Wilson | 13 | Kendal | 1:16.70 |
| 6 | 12 | Jenson Roberts | 11 | Satellite | 1:17.40 |
| 7 | 10 | Hugo Vincent-Dootson | 12 | Co Salford | 1:19.40 |
| 8 | 8 | Jake Webster | 12 | Trafford Met | 1:20.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Thomas Ball | 12 | Co Liverpool | 1:14.93 |
| 2 | 19 | Reuben Dorey | 13 | Carlisle Aq | 1:14.33 |
| 3 | 21 | Antony Ziemer | 12 | Ramsbottom | 1:12.99 |
| 4 | 23 | Luca White | 13 | Stockport Mo | 1:12.68 |
| 5 | 22 | Etan Lo | 13 | Trafford Met | 1:12.80 |
| 6 | 20 | Sebastian Boughen | 13 | Preston | 1:13.09 |
| 7 | 18 | Samuel Higginbottom | 13 | Lancaster | 1:14.53 |
| 8 | 16 | Tyler Barber | 13 | Co Manch Aq | 1:15.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Carter Kneale | 14 | Io Man | 1:11.80 |
| 2 | 33 | Gabriel Holt | 14 | Winsford | 1:11.10 |
| 3 | 39 | Leo Ashcroft | 13 | Wigan BEST | 1:09.10 |
| 4 | 45 | Ethan Blyth | 14 | Bolton Metro | 1:07.03 |
| 5 | 42 | Jasper Gibson-Bird | 14 | Fleetwood | 1:08.79 |
| 6 | 36 | Georgiy Tymchyshen | 14 | Co Manch Aq | 1:10.50 |
| 7 | 30 | Ivan Limbert | 14 | Stretford | 1:11.62 |
| 8 | 24 | William Nicholls | 13 | Wigan BEST | 1:12.60 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 28 | Jasper De Glopper | 14 | Warrington W | 1:11.70 |
| 2 | 34 | Max Williams | 14 | Flixton | 1:11.00 |
| 3 | 40 | Archie Honey | 14 | Blackpool Aq | 1:08.95 |
| 4 | 46 | Finlay Byrne | 14 | Southport | 1:06.64 |
| 5 | 43 | Archie McLaren | 14 | Aquabears | 1:08.70 |
| 6 | 37 | Farron Bigrigg | 14 | Cockermouth | 1:10.20 |
| 7 | 31 | Charley Bevan | 14 | Io Man | 1:11.60 |
| 8 | 25 | Jacob Garczynski | 14 | Io Man | 1:12.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Oliver Glaister | 14 | Workington | 1:11.70 |
| 2 | 35 | Jacob Agate | 14 | Halton | 1:10.78 |
| 3 | 41 | Samuel Wilson | 14 | Ramsbottom | 1:08.92 |
| 4 | 47 | Thomas Rickels | 14 | Co Liverpool | 1:04.97 |
| 5 | 44 | Benji Sutcliffe | 14 | Ramsbottom | 1:07.80 |
| 6 | 38 | Jacob Thistlewood | 13 | Stockport Mo | 1:09.40 |
| 7 | 32 | Ethan Williams | 14 | Ramsbottom | 1:11.50 |
| 8 | 26 | James Boyers | 13 | Wigan BEST | 1:12.00 |