EVENT 103 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Jacob BAILEY | 8 | Co Leeds | 1:15.00 |
| 4 | 3 | Jake PHILLIPS | 8 | Co Leeds | 1:00.00 |
| 5 | 2 | Alexander LUMLEY | 9 | Co Leeds | 1:03.63 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Ted TROUSDALE | 10 | Co Leeds | 53.10 |
| 2 | 7 | Tymon PALCZYNSKI | 10 | Co Leeds | 50.81 |
| 3 | 9 | Wilbur GIBSON | 10 | Co Leeds | 49.10 |
| 4 | 11 | Samuel MCLARKEY | 11 | Co Leeds | 48.90 |
| 5 | 10 | Billy PARTON | 10 | Co Leeds | 48.93 |
| 6 | 8 | Brody WRIGHT | 9 | Co Leeds | 50.30 |
| 7 | 6 | Arda GUNGOR | 9 | Co Leeds | 52.33 |
| 8 | 4 | William HAMER | 9 | Co Leeds | 55.79 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 13 | Leo LINES | 11 | Co Leeds | 48.33 |
| 1 | 15 | Seamus COFFEY-WILLS | 10 | Co Leeds | 47.51 |
| 2 | 17 | Joel HARRIS | 10 | Co Leeds | 46.80 |
| 3 | 19 | Rebal ALGHOFARI | 11 | Co Leeds | 46.19 |
| 4 | 21 | Max HARDCASTLE | 10 | Co Leeds | 44.60 |
| 5 | 20 | Alexander MILLS | 11 | Co Leeds | 46.12 |
| 6 | 18 | Luke DARNELL | 11 | Co Leeds | 46.68 |
| 7 | 16 | Connor MACFADYEN | 10 | Co Leeds | 47.20 |
| 8 | 14 | Toby GILL | 9 | Co Leeds | 48.17 |
| 9 | 12 | Louie TRAVIS | 10 | Co Leeds | 48.57 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 23 | Etienne WILSON | 10 | Co Leeds | 44.40 |
| 1 | 25 | Rayan AL-SAJIR | 11 | Co Leeds | 43.70 |
| 2 | 27 | Harry SMITH | 10 | Co Leeds | 43.00 |
| 3 | 29 | Toby MANDER | 12 | Co Leeds | 40.82 |
| 4 | 31 | Ethan HUNT | 12 | Co Leeds | 38.40 |
| 5 | 30 | Sebastian BARKER | 11 | Co Leeds | 38.90 |
| 6 | 28 | Joe DIXON | 11 | Co Leeds | 41.47 |
| 7 | 26 | William WINSTANLEY | 11 | Co Leeds | 43.20 |
| 8 | 24 | Harry WILKINSON | 10 | Co Leeds | 44.09 |
| 9 | 22 | Noah DE'GIOVANNI | 11 | Co Leeds | 44.60 |