EVENT 110 Open/Male 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Rex WALMSLEY | 8 | Scott Hall 8 | 1:32.75 |
| 1 | 3 | R PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:26.00 |
| 2 | 5 | Austin MCCONNELL | 11 | Pudsey 8 | 1:20.00 |
| 3 | 7 | Dylan MORRISROE | 9 | Smeaton 8 | 1:20.00 |
| 4 | 9 | Myles PHILLIS | 8 | Aire 8 | 1:20.00 |
| 5 | 8 | Hassan ABDELSALAM | 11 | JCCS 8 | 1:20.00 |
| 6 | 6 | Emmett PHILLIS | 8 | Aire 8 | 1:20.00 |
| 7 | 4 | Oscar DARK | 8 | Scott Hall 8 | 1:21.55 |
| 8 | 2 | Oliver BREEDON | 9 | Fearnville 8 | 1:30.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 11 | Isaac BARNES | 9 | Kirkstall 8 | 1:16.02 |
| 1 | 13 | Nicholas MEAKIN | 11 | Aire 8 | 1:10.00 |
| 2 | 15 | Oliver MCDEAN | 9 | Co Leeds | 1:05.33 |
| 3 | 17 | Billy PARTON | 9 | Co Leeds | 1:04.92 |
| 4 | 19 | Brody WRIGHT | 8 | Co Leeds | 1:04.09 |
| 5 | 18 | Noah DE'GIOVANNI | 10 | Co Leeds | 1:04.48 |
| 6 | 16 | Ethan BOSWORTH | 11 | Smeaton 8 | 1:05.00 |
| 7 | 14 | Sourajit SAHA | 12 | Scott Hall 8 | 1:05.50 |
| 8 | 12 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 1:14.33 |
| 9 | 10 | Spencer BANKS | 11 | Aire 8 | 1:20.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 21 | Harry WILKINSON | 9 | Co Leeds | 1:01.98 |
| 1 | 23 | Max HARDCASTLE | 9 | Co Leeds | 1:00.00 |
| 2 | 25 | Oliver KEECH | 11 | Morley 8 | 59.00 |
| 3 | 27 | Tommy O'CONNELL | 11 | Pudsey 8 | 58.75 |
| 4 | 29 | Jack WILLIMENT-BARR | 10 | Co Leeds | 58.40 |
| 5 | 28 | Z KOLACZ APPLEYARD | 12 | Fearnville 8 | 58.46 |
| 6 | 26 | Fernando FALCAO | 11 | Holt Park 8 | 58.96 |
| 7 | 24 | Peadar BURKE | 11 | Morley 8 | 59.53 |
| 8 | 22 | Leo CHEN | 9 | Holt Park 8 | 1:00.43 |
| 9 | 20 | Ethan HUNT | 11 | Pudsey 8 | 1:02.61 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 31 | Jayden LUNG | 9 | Co Leeds | 57.19 |
| 1 | 33 | Rebal ALGHOFARI | 10 | Co Leeds | 55.72 |
| 2 | 35 | Leo FREER | 10 | Co Leeds | 55.36 |
| 3 | 37 | William WINSTANLEY | 10 | Co Leeds | 54.09 |
| 4 | 39 | Henry GREAVES | 11 | Aire 8 | 52.46 |
| 5 | 38 | Louie MARSHALL | 11 | Co Leeds | 53.50 |
| 6 | 36 | Luke DARNELL | 10 | Co Leeds | 55.16 |
| 7 | 34 | Alexander MILLS | 10 | Co Leeds | 55.40 |
| 8 | 32 | Rumi JEEVA | 10 | Co Leeds | 56.38 |
| 9 | 30 | Louie TRAVIS | 9 | Co Leeds | 57.66 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 41 | Alfie WELLS | 12 | Holt Park 8 | 49.56 |
| 1 | 43 | Jake HARRISON | 10 | Co Leeds | 49.05 |
| 2 | 45 | Antoni PALCZEWSKI | 11 | Co Leeds | 48.40 |
| 3 | 47 | Zachary QUINN | 12 | Aire 8 | 47.99 |
| 4 | 49 | Rayan AL-SAJIR | 10 | Co Leeds | 46.91 |
| 5 | 48 | Dexter ROWLANDS | 11 | Co Leeds | 47.16 |
| 6 | 46 | Harry VICKERMAN | 11 | Co Leeds | 48.30 |
| 7 | 44 | Noah BEDFORD COLLINS | 11 | Co Leeds | 48.90 |
| 8 | 42 | Joe DIXON | 10 | Co Leeds | 49.40 |
| 9 | 40 | Atticus KHAN | 10 | Scott Hall 8 | 52.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 51 | Oskar SZAMUK | 11 | Co Leeds | 44.30 |
| 1 | 53 | David MCINTOSH | 9 | Co Leeds | 42.89 |
| 2 | 55 | Alfie CALAM | 9 | Co Leeds | 42.03 |
| 3 | 57 | Harvey BLACKBURN | 12 | Co Leeds | 40.50 |
| 4 | 59 | Charlie MACFADYEN | 12 | Co Leeds | 38.20 |
| 5 | 58 | Alex BOYD | 12 | Co Leeds | 39.20 |
| 6 | 56 | Arshak RAHMANI | 12 | Co Leeds | 41.50 |
| 7 | 54 | Harry TROUSDALE | 12 | Co Leeds | 42.73 |
| 8 | 52 | Ryker BOYD | 11 | Co Leeds | 44.07 |
| 9 | 50 | Andre Nicholas ROTARU | 10 | Co Leeds | 45.90 |