EVENT 107 Open/Male 09 /Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Oscar BEMBRIDGE | 9 | Grantham | |
| 4 | 2 | Ewan BELL | 10 | Lincoln Vulc | 2:00.00 |
| 5 | 3 | Oscar GIBSON | 9 | Gainsborough | 2:00.00 |
| 6 | 4 | George CASSWELL | 9 | Gainsborough | 2:00.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Max WILBOURN | 9 | Sherwood | 1:56.24 |
| 2 | 6 | Jacob LADD | 9 | Lincoln Vulc | 1:55.00 |
| 3 | 7 | Ray FIXTER | 9 | Sherwood | 1:48.61 |
| 4 | 8 | Elijah STEVENSON | 10 | Sherwood | 1:45.73 |
| 5 | 9 | Timas LAURINAVICIUS | 12 | Newark | 1:44.00 |
| 6 | 10 | Charlie NAYLOR | 9 | Sherwood | 1:42.15 |
| 7 | 11 | Tommy-Lucas PARKINSON | 11 | Gainsborough | 1:40.08 |
| 8 | 12 | Haiden IP | 13 | Newark | 1:40.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Benjamin SHEARN | 12 | Grantham | 1:38.08 |
| 2 | 14 | George BRUMBY | 10 | Gainsborough | 1:37.50 |
| 3 | 15 | Daniel GODDARD | 11 | Grantham | 1:35.48 |
| 4 | 16 | Alex BARTLE | 10 | Boston | 1:35.42 |
| 5 | 17 | William PENNOCK | 12 | Grantham | 1:34.48 |
| 6 | 18 | Adam AWAD | 9 | Boston | 1:32.88 |
| 7 | 19 | Eyad AWAD | 12 | Boston | 1:32.14 |
| 8 | 20 | Parker PIDHORODECKYJ | 12 | Newark | 1:31.11 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Damir IVANOVS | 11 | Boston | 1:29.56 |
| 2 | 22 | Louis WRIGHT | 12 | Grantham | 1:29.25 |
| 3 | 23 | Cyril BAO | 10 | Grantham | 1:28.78 |
| 4 | 24 | Freddie HIRST | 11 | Grantham | 1:27.18 |
| 5 | 25 | Benjamin GODDARD | 13 | Grantham | 1:25.37 |
| 6 | 26 | Leo BARNETT | 14 | Grantham | 1:24.44 |
| 7 | 27 | Joshua KIM | 13 | Grantham | 1:23.80 |
| 8 | 28 | Jimmin BAO | 13 | Grantham | 1:23.60 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | James FORGIONE | 12 | Newark | 1:22.68 |
| 2 | 30 | Derrin BROCKLEBANK | 12 | Grantham | 1:20.99 |
| 3 | 31 | Logan BATES | 13 | Sherwood | 1:19.68 |
| 4 | 32 | Evan NIXON | 14 | Lincoln Vulc | 1:19.65 |
| 5 | 33 | Oscar HE | 13 | Gainsborough | 1:19.64 |
| 6 | 34 | Jacob STAPLES | 14 | Lincoln Vulc | 1:19.59 |
| 7 | 35 | Toby EDMONDSON | 11 | Grantham | 1:19.38 |
| 8 | 36 | Oscar WOOD | 13 | Lincoln Vulc | 1:18.82 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 38 | Elliot GLEAVE | 13 | Grantham | 1:15.88 |
| 2 | 40 | Owen ZHANG | 14 | Gainsborough | 1:13.95 |
| 3 | 42 | Thomas HILLSON | 13 | Grantham | 1:12.03 |
| 4 | 44 | Robbie DUFF | 15 | Lincoln Vulc | 1:02.30 |
| 5 | 43 | Jack HATCH | 16 | Gainsborough | 1:08.92 |
| 6 | 41 | Markas PARAPIJONAVICIU | 12 | Grantham | 1:13.00 |
| 7 | 39 | Alfie BLADES | 15 | Gainsborough | 1:14.00 |
| 8 | 37 | Oliver MACIEJAK | 16 | Newark | 1:17.20 |