EVENT 110 Open/Male 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Toby GREENWOOD | 10 | JCCS 8 | |
| 1 | 3 | Rebal ALGHOFARI | 9 | Co Leeds | |
| 2 | 5 | Rayan AL-SAJIR | 9 | Co Leeds | |
| 3 | 7 | Finley GILL | 9 | JCCS 8 | |
| 4 | 9 | Leo FREER | 9 | Co Leeds | 2:00.00 |
| 5 | 8 | Ved ROY | 9 | Scott Hall 8 | |
| 6 | 6 | Prashun RJAL | 8 | Smeaton 8 | |
| 7 | 4 | Ryker BOYD | 10 | Co Leeds | |
| 8 | 2 | Ethan PARMAR | 11 | Morley 8 | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 11 | Jayden LUNG | 8 | Co Leeds | 1:22.56 |
| 1 | 13 | Ethan FELICIELLO | 12 | JCCS 8 | 1:20.00 |
| 2 | 15 | Charlie ALCOCK | 11 | Aire 8 | 1:20.00 |
| 3 | 17 | Oliver HIGGINS | 11 | Scott Hall 8 | 1:20.00 |
| 4 | 19 | Joe DIXON | 9 | Co Leeds | 1:14.09 |
| 5 | 18 | Alexander EASTHAM | 11 | Kirkstall 8 | 1:15.00 |
| 6 | 16 | Ioan REDCO | 12 | Morley 8 | 1:20.00 |
| 7 | 14 | Lochlan GERVIN | 10 | Smeaton 8 | 1:20.00 |
| 8 | 12 | Rumi JEEVA | 9 | Smeaton 8 | 1:22.00 |
| 9 | 10 | Harry VICKERMAN | 10 | Co Leeds | 1:24.21 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 21 | Bishan UBHI | 8 | Co Leeds | 1:11.17 |
| 1 | 23 | Oscar LINE | 10 | Kirkstall 8 | 1:04.00 |
| 2 | 25 | Alfie CALAM | 8 | Co Leeds | 1:02.25 |
| 3 | 27 | William DOBSON | 11 | Rothwell 8 | 1:01.00 |
| 4 | 29 | Albert BATESON | 10 | Co Leeds | 59.23 |
| 5 | 28 | Jack WILLIMENT-BARR | 9 | Co Leeds | 1:00.00 |
| 6 | 26 | Dexter ROWLANDS | 10 | Co Leeds | 1:01.20 |
| 7 | 24 | Oskar SZAMUK | 10 | Co Leeds | 1:02.33 |
| 8 | 22 | Tommy O'CONNELL | 10 | Pudsey 8 | 1:06.00 |
| 9 | 20 | Ethan HUNT | 10 | Pudsey 8 | 1:12.53 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 31 | Gabriel HIRST | 10 | Co Leeds | 58.70 |
| 1 | 33 | Henry ROLLINGS | 10 | Co Leeds | 57.72 |
| 2 | 35 | Harry TROUSDALE | 11 | Co Leeds | 56.53 |
| 3 | 37 | Yusef DOURANDISH | 10 | Co Leeds | 55.36 |
| 4 | 39 | Nathan XIU EN KOK | 12 | JCCS 8 | 53.94 |
| 5 | 38 | Zachary QUINN | 11 | Aire 8 | 54.69 |
| 6 | 36 | Joseph CADDY | 11 | Fearnville 8 | 55.95 |
| 7 | 34 | Noah BEDFORD COLLINS | 10 | Co Leeds | 57.39 |
| 8 | 32 | Reuben BARKER | 9 | Co Leeds | 58.01 |
| 9 | 30 | Harrison NORTON | 11 | Co Leeds | 58.95 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 41 | Charlie MACFADYEN | 11 | Co Leeds | 53.00 |
| 1 | 43 | Harvey BLACKBURN | 11 | Co Leeds | 51.16 |
| 2 | 45 | Arshak RAHMANI | 11 | Co Leeds | 49.00 |
| 3 | 47 | Dylan WARREN | 12 | Holt Park 8 | 44.96 |
| 4 | 49 | Jacob CAWOOD | 10 | Co Leeds | 41.50 |
| 5 | 48 | Adam MOHAMED | 9 | Co Leeds | 41.63 |
| 6 | 46 | Edgar TRAVISS-TURNER | 12 | Co Leeds | 47.64 |
| 7 | 44 | Theo JEFFERSON | 10 | Co Leeds | 51.06 |
| 8 | 42 | Karel BOHM | 11 | Co Leeds | 52.17 |
| 9 | 40 | Jude CALVERT | 11 | Co Leeds | 53.81 |