EVENT 110 Open/Male 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Leo FREER | 9 | Co Leeds | |
| 4 | 3 | Gabriel HIRST | 10 | Co Leeds | |
| 5 | 2 | Harry VICKERMAN | 10 | Co Leeds | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 4 | Luke DARNELL | 9 | Co Leeds | |
| 1 | 6 | Jack WILLIMENT | 9 | Co Leeds | |
| 2 | 8 | Jude CALVERT | 11 | Co Leeds | |
| 3 | 10 | Harrison NORTON | 11 | Co Leeds | |
| 4 | 12 | Oscar LINE | 10 | Kirkstall 8 | 1:20.00 |
| 5 | 11 | Bishan UBHI | 8 | Co Leeds | 1:20.00 |
| 6 | 9 | Jayden LUNG | 8 | JCCS 8 | |
| 7 | 7 | Noah BEDFORD COLLINS | 10 | Co Leeds | |
| 8 | 5 | Ryker BOYD | 10 | Co Leeds | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 14 | Aditya PILLY | 12 | Smeaton 8 | 1:20.00 |
| 1 | 16 | Ethan HUNT | 10 | Pudsey 8 | 1:19.00 |
| 2 | 18 | Joe DIXON | 9 | Co Leeds | 1:14.09 |
| 3 | 20 | Alfie CALAM | 8 | Fearnville 8 | 1:11.45 |
| 4 | 22 | C WHETSTONE-VEITCH | 11 | Pudsey 8 | 1:10.00 |
| 5 | 21 | Alex EASTHAM | 11 | Kirkstall 8 | 1:10.00 |
| 6 | 19 | Dexter ROWLANDS | 10 | Co Leeds | 1:13.85 |
| 7 | 17 | Oskar SZAMUK | 10 | Kirkstall 8 | 1:15.10 |
| 8 | 15 | Nathan XIU EN KOK | 12 | Morley 8 | 1:20.00 |
| 9 | 13 | William DOBSON | 11 | Rothwell 8 | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 24 | Albert BATESON | 10 | JCCS 8 | 1:05.00 |
| 1 | 26 | Jonathan FERNANDES | 10 | Smeaton 8 | 1:03.72 |
| 2 | 28 | Zachary QUINN | 11 | Aire 8 | 1:03.15 |
| 3 | 30 | Rayan AL-SAJIR | 9 | Scott Hall 8 | 1:02.00 |
| 4 | 32 | Callum YOUNG | 9 | Co Leeds | 1:00.00 |
| 5 | 31 | Benjamin FALKINGHAM | 12 | Morley 8 | 1:01.00 |
| 6 | 29 | Reuben BARKER | 9 | Co Leeds | 1:03.06 |
| 7 | 27 | Henry ROLLINGS | 10 | Co Leeds | 1:03.22 |
| 8 | 25 | Marc CENTRO G | 12 | Scott Hall 8 | 1:04.15 |
| 9 | 23 | Henry GREAVES | 10 | Aire 8 | 1:06.54 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 34 | Harry TROUSDALE | 11 | Kirkstall 8 | 59.11 |
| 1 | 36 | Theo JEFFERSON | 10 | Co Leeds | 57.06 |
| 2 | 38 | Harvey BLACKBURN | 11 | Armley 8 | 55.81 |
| 3 | 40 | Adam ROSE | 11 | Pudsey 8 | 52.68 |
| 4 | 42 | Muhammad RAZA | 12 | Co Leeds | 49.77 |
| 5 | 41 | Edgar TRAVISS-TURNER | 12 | Co Leeds | 50.20 |
| 6 | 39 | Theo SIRA | 11 | Co Leeds | 53.28 |
| 7 | 37 | Arshak RAHMANI | 11 | Holt Park 8 | 56.30 |
| 8 | 35 | Finley SMITH | 9 | Co Leeds | 57.96 |
| 9 | 33 | Yusef DOURANDISH | 10 | Co Leeds | 59.87 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 44 | George BEILBY-WOODWARD | 10 | Co Leeds | 49.27 |
| 1 | 46 | Alex BOYD | 11 | Co Leeds | 45.82 |
| 2 | 48 | Jacob CAWOOD | 10 | Co Leeds | 44.27 |
| 3 | 50 | Daniel RAWLINGS | 11 | Co Leeds | 43.00 |
| 4 | 52 | Harley GILL | 12 | Co Leeds | 41.47 |
| 5 | 51 | James DEVERILL | 12 | Co Leeds | 41.70 |
| 6 | 49 | Adam MOHAMED | 9 | Co Leeds | 43.33 |
| 7 | 47 | Charlie BRADLEY | 12 | Co Leeds | 44.79 |
| 8 | 45 | Jacob DYER | 12 | Co Leeds | 46.30 |
| 9 | 43 | Dylan WARREN | 12 | Holt Park 8 | 49.57 |