EVENT 304 Open/Male 10 /Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Riley POWELL | 11 | Co Liverpool | 1:26.30 |
| 4 | 4 | Nathaniel KONAR | 12 | Lancaster | 1:22.99 |
| 5 | 3 | Marcus CHEUNG | 11 | Co Liverpool | 1:25.11 |
| 6 | 1 | Spencer MAY | 11 | Garston | 1:27.69 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Harry PROTHERO | 12 | Co Liverpool | 1:17.71 |
| 2 | 8 | Isaac ROBINSON | 13 | Co Sheffield | 1:16.77 |
| 3 | 10 | Daniel RYKOWSKI | 14 | Leyland Barr | 1:13.80 |
| 4 | 12 | Samuel SYMES | 15 | Knutsford | 1:10.80 |
| 5 | 11 | Ethan DWYER | 14 | Co Liverpool | 1:12.29 |
| 6 | 9 | Jacob LUPTON | 14 | Prescot | 1:14.70 |
| 7 | 7 | Oliver SELLERS | 13 | Lancaster | 1:17.22 |
| 8 | 5 | Oscar SU | 13 | Co Liverpool | 1:18.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Henry SANDERSON | 18 | Bebington | 1:09.80 |
| 2 | 16 | Oliver TANG | 14 | Stockport Mo | 1:09.00 |
| 3 | 18 | Tom GILLESPIE-ANTAL | 16 | Garston | 1:07.94 |
| 4 | 20 | Jacob AGATE | 15 | Halton | 1:07.90 |
| 5 | 19 | Ben BEDFORD | 17 | Clitheroe | 1:07.90 |
| 6 | 17 | Daniel JACKSON | 16 | Crosby | 1:08.10 |
| 7 | 15 | William BIRCHALL | 15 | Satellite | 1:09.10 |
| 8 | 13 | William BREARTON | 15 | Wirral Metro | 1:10.10 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Will NICHOLLS | 14 | Ather & Leig | 1:06.60 |
| 2 | 24 | Jasper GIBSON-BIRD | 15 | Fleetwood | 1:06.30 |
| 3 | 26 | Luke JONES | 19 | Bebington | 1:06.20 |
| 4 | 28 | Daniel ASHTON | 16 | Blackburn | 1:05.00 |
| 5 | 27 | Dylan GREGORY | 15 | Co Liverpool | 1:05.93 |
| 6 | 25 | George DAINTITH | 18 | Co Liverpool | 1:06.20 |
| 7 | 23 | William SOWDEN | 16 | Wirral Metro | 1:06.40 |
| 8 | 21 | George PEARCE | 15 | Co Liverpool | 1:07.84 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 30 | Dominic WORKMAN | 17 | Co Liverpool | 1:03.40 |
| 2 | 32 | Samuel OLLIER | 18 | Knutsford | 1:02.70 |
| 3 | 34 | Thomas RICKELS | 15 | Co Liverpool | 1:01.60 |
| 4 | 36 | Reuben QUAYLE | 19 | Blackburn | 59.00 |
| 5 | 35 | Noah CARTLIDGE | 16 | Biddulph | 1:01.10 |
| 6 | 33 | Owen DONNELLY | 17 | Clitheroe | 1:01.90 |
| 7 | 31 | James VAUGHAN | 16 | Ather & Leig | 1:03.27 |
| 8 | 29 | Finlay BYRNE | 15 | Southport | 1:04.20 |