EVENT 108 Boys 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Nathan MYSZEWSKI | 10 | JCCS 8 | |
| 3 | 3 | Joe DIXON | 8 | Co Leeds | |
| 4 | 5 | Nihal PHULL | 10 | Morley 8 | 1:25.00 |
| 5 | 4 | Callum YOUNG | 8 | Co Leeds | 1:25.85 |
| 6 | 2 | Noah JOHNSTONE | 11 | Kirkstall 8 | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 7 | Ishan ROWLAND | 10 | Scott Hall 8 | 1:23.47 |
| 1 | 9 | Jacob MICHAEL | 10 | Aire 8 | 1:21.85 |
| 2 | 11 | Tommy O'CONNELL | 9 | Pudsey 8 | 1:20.00 |
| 3 | 13 | Gabriel HIRST | 9 | Aire 8 | 1:18.91 |
| 4 | 15 | Ethan HUNT | 9 | Pudsey 8 | 1:16.57 |
| 5 | 14 | Zachary QUINN | 10 | Aire 8 | 1:18.91 |
| 6 | 12 | Solomon FAWCETT | 9 | Scott Hall 8 | 1:19.21 |
| 7 | 10 | Luke DARNELL | 8 | JCCS 8 | 1:20.08 |
| 8 | 8 | Ved JAKHADI | 11 | Kirkstall 8 | 1:22.00 |
| 9 | 6 | Jacob CAWOOD | 9 | Morley 8 | 1:25.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 17 | C WHETSTONE-VEITCH | 10 | Pudsey 8 | 1:16.00 |
| 1 | 19 | Thomas TURNBULL | 9 | Pudsey 8 | 1:15.00 |
| 2 | 21 | Charlie MACFADYEN | 10 | Pudsey 8 | 1:14.00 |
| 3 | 23 | Finley SMITH | 8 | Co Leeds | 1:13.33 |
| 4 | 25 | Harvey BLACKBURN | 10 | Armley 8 | 1:13.00 |
| 5 | 24 | Noah CLIFTON | 10 | Pudsey 8 | 1:13.00 |
| 6 | 22 | Joshua WRIGHT | 10 | Co Leeds | 1:13.52 |
| 7 | 20 | Jake HARRISON | 8 | Smeaton 8 | 1:15.00 |
| 8 | 18 | Adam KAGWE | 10 | Pudsey 8 | 1:15.56 |
| 9 | 16 | Jack WALES | 11 | Rothwell 8 | 1:16.14 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 27 | Luca DOUGLAS | 9 | Pudsey 8 | 1:12.44 |
| 1 | 29 | Isaac MALLORY | 10 | Smeaton 8 | 1:11.59 |
| 2 | 31 | Zac PHILLIPS | 9 | Co Leeds | 1:09.80 |
| 3 | 33 | Marc CANTERO-GUARDIOLA | 11 | Scott Hall 8 | 1:07.69 |
| 4 | 35 | Yusef DOURANDISH | 9 | Co Leeds | 1:06.00 |
| 5 | 34 | Stanley LONG | 10 | Aire 8 | 1:06.98 |
| 6 | 32 | Max ANDREASEN | 11 | Morley 8 | 1:09.56 |
| 7 | 30 | James COVICK | 11 | Rothwell 8 | 1:10.00 |
| 8 | 28 | Alex EASTHAM | 10 | Kirkstall 8 | 1:12.23 |
| 9 | 26 | Adam ROSE | 10 | Pudsey 8 | 1:12.71 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 37 | Cameron EATON | 11 | Rothwell 8 | 1:05.75 |
| 1 | 39 | Albert BATESON | 9 | Fearnville 8 | 1:05.26 |
| 2 | 41 | Thomas PARKER | 11 | Co Leeds | 1:05.05 |
| 3 | 43 | Luke TUDOR | 10 | Rothwell 8 | 1:04.78 |
| 4 | 45 | Ben COLLEDGE | 9 | Pudsey 8 | 1:04.31 |
| 5 | 44 | Toby FILLINGHAM | 10 | Pudsey 8 | 1:04.46 |
| 6 | 42 | Tommy MORRIS | 9 | Smeaton 8 | 1:05.00 |
| 7 | 40 | Jude CALVERT | 10 | Morley 8 | 1:05.06 |
| 8 | 38 | Michael RAMSHAW | 9 | Holt Park 8 | 1:05.53 |
| 9 | 36 | Harry TROUSDALE | 10 | Kirkstall 8 | 1:06.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 47 | Adam OLCHOWIK | 9 | Co Leeds | 1:01.50 |
| 1 | 49 | Muhammad RAZA | 11 | Co Leeds | 1:01.10 |
| 2 | 51 | Oladimeji OLAJIDE | 12 | Holt Park 8 | 1:00.37 |
| 3 | 53 | Edward FLANAGAN | 10 | Scott Hall 8 | 1:00.12 |
| 4 | 55 | Ted BURBIDGE | 12 | Fearnville 8 | 59.05 |
| 5 | 54 | Harrison NORTON | 10 | JCCS 8 | 59.48 |
| 6 | 52 | Albert OLCHOWIK | 11 | Co Leeds | 1:00.15 |
| 7 | 50 | William MACE | 11 | JCCS 8 | 1:00.79 |
| 8 | 48 | George BEILBY-WOODWARD | 9 | Co Leeds | 1:01.15 |
| 9 | 46 | Archie RUSSELL | 11 | Co Leeds | 1:03.48 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 57 | James DEVERILL | 11 | Co Leeds | 59.01 |
| 1 | 59 | Jacob LILL | 11 | Co Leeds | 58.00 |
| 2 | 61 | Adam MOHAMED | 8 | Co Leeds | 57.43 |
| 3 | 63 | Ezel KAFTAR | 12 | Armley 8 | 56.99 |
| 4 | 65 | Harley GILL | 11 | Morley 8 | 56.26 |
| 5 | 64 | Flynn DYSON | 11 | Morley 8 | 56.56 |
| 6 | 62 | Zachary WHITTAKER | 10 | Co Leeds | 57.30 |
| 7 | 60 | Alex BOYD | 10 | Co Leeds | 57.60 |
| 8 | 58 | Noah STAINFORTH | 11 | Armley 8 | 58.17 |
| 9 | 56 | Fraser GALBRAITH | 9 | Co Leeds | 59.03 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 67 | Jack YOUNG | 12 | Pudsey 8 | 55.70 |
| 1 | 69 | Jacob DYER | 11 | Co Leeds | 55.51 |
| 2 | 71 | Mustafa RAZA | 9 | Co Leeds | 55.10 |
| 3 | 73 | Daniel RAWLINGS | 10 | Co Leeds | 53.30 |
| 4 | 75 | Gethin CLARK | 11 | Pudsey 8 | 52.94 |
| 5 | 74 | Zachary HOGG | 11 | Co Leeds | 53.26 |
| 6 | 72 | Henry PATTERSON | 9 | Co Leeds | 54.80 |
| 7 | 70 | Charlie BRADLEY | 11 | Co Leeds | 55.47 |
| 8 | 68 | Oscar CALAM | 10 | Co Leeds | 55.57 |
| 9 | 66 | Barney HOBBS | 11 | Co Leeds | 55.89 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 77 | Ted WINGFIELD | 9 | Co Leeds | 52.28 |
| 1 | 79 | Edgar TRAVISS-TURNER | 11 | Scott Hall 8 | 52.03 |
| 2 | 81 | Jacob JONES | 11 | Co Leeds | 50.70 |
| 3 | 83 | Dominykas JAMINAS | 12 | Rothwell 8 | 48.26 |
| 4 | 85 | Tomas BICKERS | 11 | Co Leeds | 46.55 |
| 5 | 84 | Benjamin CLARK | 12 | Co Leeds | 46.78 |
| 6 | 82 | Tyler GREEN | 10 | Co Leeds | 50.67 |
| 7 | 80 | Alex OWEN | 11 | Co Leeds | 51.90 |
| 8 | 78 | Yin Ho Adrian CHAN | 10 | Co Leeds | 52.15 |
| 9 | 76 | Max HASWELL | 10 | Co Leeds | 52.50 |