EVENT 110 Boys Open 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Yin Ho Adrian CHAN | 10 | Co Leeds | |
| 2 | 4 | Solomon COFFEY-WILLS | 10 | Co Leeds | |
| 3 | 6 | Finn EASINGWOOD | 10 | Co Leeds | |
| 4 | 8 | Jack YOUNG | 12 | Pudsey 8 | 1:28.00 |
| 5 | 7 | Harvey BLACKBURN | 10 | Armley 8 | 1:40.00 |
| 6 | 5 | Luke FEARNHEAD | 10 | Co Leeds | |
| 7 | 3 | Ralphy KING | 10 | Co Leeds | |
| 8 | 1 | George BEILBY-WOODWARD | 9 | Co Leeds | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | William MACE | 11 | JCCS 8 | 1:22.26 |
| 1 | 12 | Daniel BAIRA | 11 | JCCS 8 | 1:15.51 |
| 2 | 14 | Finley SMITH | 8 | JCCS 8 | 1:15.00 |
| 3 | 16 | Lee CHATELIER | 12 | Kirkstall 8 | 1:12.94 |
| 4 | 18 | Mustafa RAZA | 9 | JCCS 8 | 1:12.28 |
| 5 | 17 | Zac PHILLIPS | 9 | Kirkstall 8 | 1:12.31 |
| 6 | 15 | Toby FRANKLIN | 11 | Pudsey 8 | 1:15.00 |
| 7 | 13 | Fraser GALBRAITH | 9 | Kirkstall 8 | 1:15.00 |
| 8 | 11 | Jack WALES | 11 | Rothwell 8 | 1:21.00 |
| 9 | 9 | Nathan MYZSESKI | 10 | JCCS 8 | 1:26.69 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 20 | Ted BURBRIDGE | 12 | Fearnville 8 | 1:10.50 |
| 1 | 22 | Oladimeji OLAJIDE | 12 | Holt Park 8 | 1:09.56 |
| 2 | 24 | Ben COLLEDGE | 9 | Co Leeds | 1:08.76 |
| 3 | 26 | Toby FILLINGHAM | 10 | Pudsey 8 | 1:08.18 |
| 4 | 28 | Archie RUSSELL | 11 | Co Leeds | 1:04.58 |
| 5 | 27 | Adam ROSE | 10 | Pudsey 8 | 1:05.69 |
| 6 | 25 | Muhammad RAZA | 11 | JCCS 8 | 1:08.55 |
| 7 | 23 | Albert OLCHOWIK | 11 | JCCS 8 | 1:09.00 |
| 8 | 21 | James ROACH | 10 | Rothwell 8 | 1:10.00 |
| 9 | 19 | Isaac PARRY | 11 | Holt Park 8 | 1:12.05 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 30 | Evan TOWNSEND | 10 | Pudsey 8 | 1:03.49 |
| 1 | 32 | Jacob LILL | 11 | Morley 8 | 1:02.79 |
| 2 | 34 | Arshak RAHMANI | 10 | Holt Park 8 | 1:02.07 |
| 3 | 36 | Lewis LUNG | 10 | Co Leeds | 1:00.32 |
| 4 | 38 | Dominykas JAGMINAS | 12 | Rothwell 8 | 58.00 |
| 5 | 37 | Daniel RAWLINGS | 10 | Co Leeds | 58.25 |
| 6 | 35 | Callum WOODS | 11 | Morley 8 | 1:01.88 |
| 7 | 33 | Flynn DYSON | 11 | Morley 8 | 1:02.74 |
| 8 | 31 | Samuel FORD | 9 | Co Leeds | 1:03.22 |
| 9 | 29 | Dylan WARREN | 11 | Holt Park 8 | 1:03.65 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 40 | James DEVERILL | 11 | Co Leeds | 57.86 |
| 1 | 42 | Daniel HIRST | 12 | Kirkstall 8 | 56.27 |
| 2 | 44 | Oscar CALAM | 10 | Co Leeds | 55.47 |
| 3 | 46 | Oliver MASKELL | 11 | Co Leeds | 54.19 |
| 4 | 48 | Daniel BREEDON | 12 | Scott Hall 8 | 53.20 |
| 5 | 47 | Zachary HOGG | 11 | Co Leeds | 53.89 |
| 6 | 45 | Jacob DYER | 11 | Co Leeds | 54.66 |
| 7 | 43 | Barney HOBBS | 11 | Co Leeds | 56.25 |
| 8 | 41 | Jacob JONES | 11 | Co Leeds | 56.67 |
| 9 | 39 | Ellis HARGREAVES | 11 | Co Leeds | 58.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 50 | Benjamin CLARK | 12 | Fearnville 8 | 52.44 |
| 1 | 52 | Charlie BRADLEY | 11 | Co Leeds | 50.64 |
| 2 | 54 | Felix GILLILAND | 12 | Co Leeds | 50.05 |
| 3 | 56 | Oliver ATHA | 12 | Co Leeds | 46.54 |
| 4 | 58 | William DUNN | 12 | Co Leeds | 44.35 |
| 5 | 57 | Jeffrey LANGE | 12 | Co Leeds | 45.43 |
| 6 | 55 | Liam LI | 9 | Co Leeds | 49.88 |
| 7 | 53 | George RICKETTS | 10 | Co Leeds | 50.22 |
| 8 | 51 | Max HASWELL | 10 | Co Leeds | 51.75 |
| 9 | 49 | Tomas BICKERS | 11 | Co Leeds | 52.93 |