EVENT 407 Mens Open 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 1 | Bruce Dee | 12 | S6 | Northampton | 2:05.19 |
| 4 | 3 | Joshua Fairchild | 20 | S14 | Co Coventry | 1:19.47 |
| 5 | 2 | Oludaisi Adefisan | 18 | S9 | Nova Cent'n | 1:19.74 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 4 | Kieran Bott | 15 | | Co Leicester | 1:03.70 |
| 2 | 6 | Nathaniel Crowther | 15 | | Wyre Forest | 1:03.46 |
| 3 | 8 | Jamie Dark | 15 | | Boldmere | 1:02.74 |
| 4 | 10 | Thomas Bethea | 17 | | Radford | 1:02.31 |
| 5 | 9 | Harvey Freeman | 14 | | Northampton | 1:02.42 |
| 6 | 7 | William Gearey | 15 | | Worcester | 1:02.97 |
| 7 | 5 | Alexandru Istrate | 15 | | Nuneaton | 1:03.47 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 12 | Daniel Carey | 15 | | Rugby | 1:02.20 |
| 2 | 14 | Jack Simpson | 17 | | Halesowen | 1:02.16 |
| 3 | 16 | Matthew Seaton | 16 | | Rugby | 1:01.92 |
| 4 | 18 | Thomas Davidson | 16 | | Wolv'hampton | 1:01.82 |
| 5 | 17 | Jamie Keyte | 21 | | Perry B & TS | 1:01.89 |
| 6 | 15 | Marcus Eaton | 24 | | Rushden | 1:02.10 |
| 7 | 13 | Jack Gartside | 15 | | Northampton | 1:02.19 |
| 8 | 11 | Joshua Vance | 15 | | Northampton | 1:02.24 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 22 | Jacob Carrington | 17 | | Calv Bing | 1:01.10 |
| 2 | 28 | Thomas Neal | 18 | | Deepings | 1:00.42 |
| 3 | 34 | Archie Evans | 14 | | Corby | 59.63 |
| 4 | 40 | Matthew Richmond | 18 | | Northampton | 57.80 |
| 5 | 37 | Joshua Skinner | 15 | | Nova Cent'n | 59.30 |
| 6 | 31 | Harry Puffett | 18 | | Nuneaton | 59.84 |
| 7 | 25 | Jacob Veale | 15 | | Chase | 1:00.81 |
| 8 | 19 | Tom Mitchell | 16 | | Co Coventry | 1:01.80 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 23 | Daniel Day | 14 | | Worcester | 1:01.00 |
| 2 | 29 | Ben Fitzhugh | 17 | | Derventio | 1:00.07 |
| 3 | 35 | Thomas Lewis | 18 | | Grantham | 59.63 |
| 4 | 41 | Charlie Poole | 17 | | Co Leicester | 56.93 |
| 5 | 38 | Ethan Grace-Riches | 15 | | Lincoln Vulc | 58.55 |
| 6 | 32 | Luca De Zilva | 15 | | Leic Sharks | 59.83 |
| 7 | 26 | Archie Plowman | 17 | | Northampton | 1:00.80 |
| 8 | 20 | Joel Muir | 16 | | Co Derby | 1:01.33 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 24 | Harry Andrew | 16 | | Wellingboro | 1:00.90 |
| 2 | 30 | William Brookes | 16 | | BelperMarlin | 59.97 |
| 3 | 36 | Shay Bradley | 17 | | Co Derby | 59.62 |
| 4 | 42 | Michael Rees | 18 | | Nova Cent'n | 56.80 |
| 5 | 39 | Harry Charitos | 20 | | Derventio | 57.87 |
| 6 | 33 | Louis Doyle | 15 | | Worcester | 59.77 |
| 7 | 27 | Thomas Bloor | 21 | | Newcastle St | 1:00.70 |
| 8 | 21 | Jacob Henson | 19 | | Braunstone | 1:01.22 |