EVENT 108 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Harry FOSTER | 9 | Co Leeds | |
| 4 | 3 | Billy PARTON | 8 | JCCS 8 | |
| 5 | 2 | Lochlan GERVIN | 10 | Smeaton 8 | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 4 | Seamus COFFEY-WILLS | 8 | Co Leeds | |
| 1 | 6 | Prashun RIJAL | 8 | Smeaton 8 | |
| 2 | 8 | Liam GORDOIS | 8 | Co Leeds | |
| 3 | 10 | Peadar BURKE | 10 | Morley 8 | |
| 4 | 12 | Oskar SZAMUK | 10 | Co Leeds | |
| 5 | 11 | Leo CHEN | 8 | Co Leeds | |
| 6 | 9 | Oliver KEECH | 10 | Morley 8 | |
| 7 | 7 | Mason GIBSON | 10 | JCCS 8 | |
| 8 | 5 | Finley GILL | 9 | JCCS 8 | |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 14 | Arthur WARING | 8 | Holt Park 8 | 1:34.25 |
| 1 | 16 | Sam NOBLE | 11 | Holt Park 8 | 1:28.71 |
| 2 | 18 | Nicholas ROTARU | 9 | Fearnville 8 | 1:26.20 |
| 3 | 20 | Freddie HAWTHORN | 10 | Pudsey 8 | 1:20.00 |
| 4 | 22 | Finley BROOKES | 10 | Pudsey 8 | 1:20.00 |
| 5 | 21 | Marcus EXCELL | 12 | Pudsey 8 | 1:20.00 |
| 6 | 19 | Vedant PRABHU | 9 | Kirkstall 8 | 1:21.00 |
| 7 | 17 | Lewie NEWTON | 8 | JCCS 8 | 1:28.00 |
| 8 | 15 | Toby JOHNSON | 8 | Kirkstall 8 | 1:30.00 |
| 9 | 13 | Joseph CADDY | 11 | Fearnville 8 | 1:46.65 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 24 | Max FALKINGHAM | 10 | Morley 8 | 1:19.00 |
| 1 | 26 | Oliver MCDEAN | 8 | Co Leeds | 1:17.96 |
| 2 | 28 | Fernando FALCAO | 10 | Holt Park 8 | 1:16.00 |
| 3 | 30 | Sebastian LAWRENCE | 12 | Rothwell 8 | 1:15.00 |
| 4 | 32 | Alexander HUTCHISON | 8 | Co Leeds | 1:13.78 |
| 5 | 31 | Rumi JEEVA | 9 | Smeaton 8 | 1:14.09 |
| 6 | 29 | Toby GREENWOOD | 10 | JCCS 8 | 1:16.00 |
| 7 | 27 | Solomon FAWCETT | 10 | Scott Hall 8 | 1:17.21 |
| 8 | 25 | Jayden LUNG | 8 | Co Leeds | 1:18.15 |
| 9 | 23 | Will WINSTANLEY | 9 | JCCS 8 | 1:20.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 34 | Harry WILKINSON | 8 | Co Leeds | 1:12.07 |
| 1 | 36 | Leo FREER | 9 | Co Leeds | 1:10.70 |
| 2 | 38 | Henry WADSWORTH | 11 | Scott Hall 8 | 1:10.00 |
| 3 | 40 | Ollie SMALL | 9 | Kirkstall 8 | 1:08.00 |
| 4 | 42 | James BOWDEN | 10 | Aire 8 | 1:06.58 |
| 5 | 41 | Mohammad AHMED | 10 | Kirkstall 8 | 1:07.89 |
| 6 | 39 | Bishan UBHI | 8 | Co Leeds | 1:09.00 |
| 7 | 37 | Louie TRAVIS | 8 | JCCS 8 | 1:10.45 |
| 8 | 35 | Benjamin FALKINGHAM | 12 | Morley 8 | 1:11.00 |
| 9 | 33 | Ethan HUNT | 10 | Pudsey 8 | 1:12.96 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 44 | C WHETSTONE-VEITCH | 11 | Pudsey 8 | 1:06.00 |
| 1 | 46 | Gabriel GRIERSON | 10 | Fearnville 8 | 1:04.90 |
| 2 | 48 | Tommy O'CONNELL | 10 | Pudsey 8 | 1:04.00 |
| 3 | 50 | Zachary QUINN | 11 | Aire 8 | 1:03.70 |
| 4 | 52 | Daniel CLARK | 10 | Co Leeds | 1:02.34 |
| 5 | 51 | Rayan AL-SAJIR | 9 | Co Leeds | 1:02.54 |
| 6 | 49 | Rafi CHATTERTON | 10 | Kirkstall 8 | 1:04.00 |
| 7 | 47 | Maxwell BEALES | 11 | Aire 8 | 1:04.31 |
| 8 | 45 | Adam KAGWE | 11 | Pudsey 8 | 1:06.00 |
| 9 | 43 | Jack WILLIMENT-BARR | 9 | Co Leeds | 1:06.20 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 54 | Harry VICKERMAN | 10 | Co Leeds | 1:01.40 |
| 1 | 56 | Toby GODDARD | 9 | Rothwell 8 | 1:00.82 |
| 2 | 58 | Nathan XIU EN KOK | 12 | JCCS 8 | 1:00.44 |
| 3 | 60 | Marc CANTERO-GUARDIOLA | 12 | Scott Hall 8 | 1:00.30 |
| 4 | 62 | Luca DOUGLAS | 10 | Pudsey 8 | 59.62 |
| 5 | 61 | Henry KIRWAN | 9 | Fearnville 8 | 1:00.04 |
| 6 | 59 | Luke DARNELL | 9 | Co Leeds | 1:00.39 |
| 7 | 57 | Z KOLACZ APPLEYARD | 11 | Fearnville 8 | 1:00.60 |
| 8 | 55 | Antoni PALCZEWSKI | 10 | Holt Park 8 | 1:01.31 |
| 9 | 53 | Joe DIXON | 9 | Co Leeds | 1:02.02 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 64 | David MCINTOSH | 8 | Co Leeds | 59.00 |
| 1 | 66 | Alfie CALAM | 8 | Co Leeds | 58.37 |
| 2 | 68 | Henry GREAVES | 10 | Aire 8 | 57.54 |
| 3 | 70 | Oliver HIGGINS | 11 | Scott Hall 8 | 56.80 |
| 4 | 72 | Seth GLAZZARD | 10 | Scott Hall 8 | 56.12 |
| 5 | 71 | Nihal PHULL | 11 | Morley 8 | 56.41 |
| 6 | 69 | Rebal ALGHOFARI | 9 | Co Leeds | 57.50 |
| 7 | 67 | Ryker BOYD | 10 | Co Leeds | 58.12 |
| 8 | 65 | Arshak RAHMANI | 11 | Co Leeds | 58.71 |
| 9 | 63 | Ethan PARMAR | 11 | Morley 8 | 59.13 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 74 | Edward FLANAGAN | 11 | Scott Hall 8 | 54.59 |
| 1 | 76 | Gabriel HIRST | 10 | Co Leeds | 53.80 |
| 2 | 78 | Alex BOYD | 11 | Co Leeds | 53.46 |
| 3 | 80 | Jake HARRISON | 9 | Co Leeds | 52.80 |
| 4 | 82 | Harry TROUSDALE | 11 | Co Leeds | 51.99 |
| 5 | 81 | James DEVERILL | 12 | Co Leeds | 52.17 |
| 6 | 79 | Dexter ROWLANDS | 10 | Co Leeds | 53.10 |
| 7 | 77 | Charlie MACFADYEN | 11 | Co Leeds | 53.70 |
| 8 | 75 | Noah BEDFORD COLLINS | 10 | Co Leeds | 53.83 |
| 9 | 73 | Harvey BLACKBURN | 11 | Co Leeds | 56.10 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 84 | Dylan WARREN | 12 | Holt Park 8 | 51.65 |
| 1 | 86 | Jacob CAWOOD | 10 | Co Leeds | 51.30 |
| 2 | 88 | Jude CALVERT | 11 | Co Leeds | 49.27 |
| 3 | 90 | Edgar TRAVISS-TURNER | 12 | Co Leeds | 47.70 |
| 4 | 92 | David GRIGORE | 11 | Co Leeds | 45.20 |
| 5 | 91 | Harrison NORTON | 11 | Co Leeds | 47.20 |
| 6 | 89 | Max HASWELL | 11 | Co Leeds | 48.50 |
| 7 | 87 | Louie MARSHALL | 10 | Scott Hall 8 | 50.20 |
| 8 | 85 | Albert BATESON | 10 | Co Leeds | 51.54 |
| 9 | 83 | Henry ROLLINGS | 10 | Co Leeds | 51.85 |