EVENT 110 Boy Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 2 | Joshua TURTON | 09 | Kirkstall 8 | 1:16.00 |
| 2 | 4 | Ethan MEWSE | 11 | T.I.D | 1:13.00 |
| 3 | 6 | Amas YOUSEF | 08 | Kirkstall 8 | 1:12.00 |
| 4 | 8 | Zach BARLOW | 10 | Co Leeds | 1:08.45 |
| 5 | 7 | James ASHCROFT | 12 | Co Leeds | 1:10.00 |
| 6 | 5 | Oscar O'DONNELL | 12 | Co Leeds | 1:12.00 |
| 7 | 3 | Felix GILLILAND | 11 | Co Leeds | 1:15.00 |
| 8 | 1 | Archie LIMBERT | 11 | Co Leeds | 1:20.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 10 | Ryan MILNER | 09 | Pudsey 8 | 1:04.00 |
| 1 | 12 | Joshua MCMILLAN | 11 | Co Leeds | 1:03.01 |
| 2 | 14 | Angus YOUNG | 11 | Co Leeds | 1:02.43 |
| 3 | 16 | Thomas HORNE | 11 | Co Leeds | 1:02.38 |
| 4 | 18 | Benjamin MORRIS | 09 | Co Leeds | 1:01.70 |
| 5 | 17 | James ANDREASEN | 10 | Co Leeds | 1:01.70 |
| 6 | 15 | Shaé BRYANT | 10 | Co Leeds | 1:02.38 |
| 7 | 13 | Joshua JAMESON | 10 | Co Leeds | 1:02.80 |
| 8 | 11 | Alex CHRISTIE | 10 | Scott Hall 8 | 1:03.72 |
| 9 | 9 | Jack LAFLIN | 10 | Scott Hall 8 | 1:07.32 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 20 | Seth JONES | 10 | Co Leeds | 1:01.34 |
| 1 | 22 | Max CLARK | 11 | Co Leeds | 1:01.15 |
| 2 | 24 | Rory KING | 09 | Co Leeds | 59.11 |
| 3 | 26 | Charlie HORNE | 09 | Co Leeds | 58.87 |
| 4 | 28 | Alex OLCHOWIK | 09 | T.I.D | 58.30 |
| 5 | 27 | Sebastian HUNTER | 10 | Co Leeds | 58.43 |
| 6 | 25 | Matei STOICESCU | 10 | Co Leeds | 58.91 |
| 7 | 23 | Arthur OWENS | 09 | Co Leeds | 59.73 |
| 8 | 21 | Zachary GUMMERSON | 08 | Scott Hall 8 | 1:01.15 |
| 9 | 19 | Seb MICKLETHWAITE | 09 | Kirkstall 8 | 1:01.36 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 30 | Henry FILLINGHAM | 08 | Pudsey 8 | 57.31 |
| 1 | 32 | Halo BENTLEY-HICKS | 11 | Co Leeds | 53.15 |
| 2 | 34 | Oliver HASWELL | 10 | Co Leeds | 52.57 |
| 3 | 36 | Reece WEBBER | 09 | Co Leeds | 51.30 |
| 4 | 38 | Archie BROWN | 09 | Co Leeds | 49.57 |
| 5 | 37 | Harry ROACH | 09 | Co Leeds | 49.87 |
| 6 | 35 | Oliver MOONEY | 09 | Co Leeds | 51.42 |
| 7 | 33 | Reuben HARRISON | 10 | Co Leeds | 52.88 |
| 8 | 31 | Reggie SPENCE | 09 | Co Leeds | 57.31 |
| 9 | 29 | Oliver TAYLOR | 10 | Co Leeds | 57.98 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 0 | 40 | Neel MEHENDALE | 09 | Scott Hall 8 | 49.26 |
| 1 | 42 | Joseph LOBOGNON-NAKI | 08 | Scott Hall 8 | 48.33 |
| 2 | 44 | Oliver BROOKE | 09 | Co Leeds | 46.63 |
| 3 | 46 | David AKEROYD | 08 | Co Leeds | 44.58 |
| 4 | 48 | Callum BROOK | 09 | Co Leeds | 39.74 |
| 5 | 47 | Samuel HILL | 09 | Co Leeds | 41.02 |
| 6 | 45 | Jacob FAWCETT | 08 | Co Leeds | 45.10 |
| 7 | 43 | James THOMSON | 09 | Co Leeds | 47.68 |
| 8 | 41 | Freddie HOPKINS | 09 | Co Leeds | 48.93 |
| 9 | 39 | Tom HEY | 09 | Co Leeds | 49.39 |