EVENT 108 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Rex WALMSLEY | 8 | Scott Hall 8 | 1:37.01 |
| 2 | 4 | Arda GUNGOR | 8 | Co Leeds | 1:30.50 |
| 3 | 6 | Ryan DRINKALL | 8 | JCCS 8 | 1:26.00 |
| 4 | 8 | William MASON | 10 | Rothwell 8 | 1:25.00 |
| 5 | 7 | Oscar DARK | 8 | Scott Hall 8 | 1:25.95 |
| 6 | 5 | Joshua WARD-PICKLES | 10 | Rothwell 8 | 1:30.00 |
| 7 | 3 | Oscar DUFFY | 11 | Rothwell 8 | 1:31.00 |
| 8 | 1 | Dexter YATES | 10 | Rothwell 8 | 1:43.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 10 | Theo HOLMES | 9 | Scott Hall 8 | 1:20.00 |
| 1 | 12 | Emmett PHILLIS | 8 | Aire 8 | 1:20.00 |
| 2 | 14 | Toby GILL | 8 | Rothwell 8 | 1:20.00 |
| 3 | 16 | Alex BURBIDGE | 10 | Fearnville 8 | 1:20.00 |
| 4 | 18 | Myles PHILLIS | 8 | Aire 8 | 1:20.00 |
| 5 | 17 | Elliott JONES | 9 | Scott Hall 8 | 1:20.00 |
| 6 | 15 | Connor MACFADYEN | 9 | Co Leeds | 1:20.00 |
| 7 | 13 | Seif ABDALLAH | 9 | Scott Hall 8 | 1:20.00 |
| 8 | 11 | Zach MCMENEMY | 9 | Rothwell 8 | 1:20.00 |
| 9 | 9 | Ralph ABDY | 9 | Rothwell 8 | 1:20.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 20 | Oliver BREEDON | 9 | Fearnville 8 | 1:19.80 |
| 1 | 22 | R PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:15.00 |
| 2 | 24 | Isaac BARNES | 9 | Kirkstall 8 | 1:14.13 |
| 3 | 26 | Brody WRIGHT | 8 | Co Leeds | 1:10.99 |
| 4 | 28 | Ethan BOSWORTH | 11 | Smeaton 8 | 1:10.00 |
| 5 | 27 | Oliver MCDEAN | 9 | Co Leeds | 1:10.25 |
| 6 | 25 | Joshua PRESCOTT | 9 | Pudsey 8 | 1:13.26 |
| 7 | 23 | Spencer BANKS | 11 | Aire 8 | 1:15.00 |
| 8 | 21 | Nicholas MEAKIN | 11 | Aire 8 | 1:15.30 |
| 9 | 19 | Dylan MORRISROE | 9 | Smeaton 8 | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 30 | James WALL | 9 | Holt Park 8 | 1:08.00 |
| 1 | 32 | William WINSTANLEY | 10 | Co Leeds | 1:07.48 |
| 2 | 34 | Toby JOHNSON | 9 | Kirkstall 8 | 1:07.00 |
| 3 | 36 | Olly ROFFE | 10 | Fearnville 8 | 1:06.79 |
| 4 | 38 | Elliott HICKS | 10 | JCCS 8 | 1:06.00 |
| 5 | 37 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 1:06.77 |
| 6 | 35 | Harry FOSTER | 10 | Co Leeds | 1:06.83 |
| 7 | 33 | Buddy WELLS | 10 | Holt Park 8 | 1:07.44 |
| 8 | 31 | Solomon FAWCETT | 11 | Scott Hall 8 | 1:07.56 |
| 9 | 29 | Seamus COFFEY-WILLS | 9 | Co Leeds | 1:08.16 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 40 | Seth GLAZZARD | 11 | Scott Hall 8 | 1:04.92 |
| 1 | 42 | Andre Nicholas ROTARU | 10 | Co Leeds | 1:04.35 |
| 2 | 44 | Luca DOUGLAS | 11 | Pudsey 8 | 1:04.00 |
| 3 | 46 | Leo LINES | 10 | Co Leeds | 1:03.60 |
| 4 | 48 | Vedant PRABHU | 10 | Kirkstall 8 | 1:03.10 |
| 5 | 47 | Jacob COTTERILL | 11 | Kirkstall 8 | 1:03.59 |
| 6 | 45 | Lewis GUEN | 10 | Pudsey 8 | 1:03.89 |
| 7 | 43 | Tymon PALCZYNSKI | 9 | Co Leeds | 1:04.24 |
| 8 | 41 | Sourajit SAHA | 12 | Scott Hall 8 | 1:04.40 |
| 9 | 39 | Theo BEARDSMORE | 11 | Scott Hall 8 | 1:05.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 50 | Zachary QUINN | 12 | Aire 8 | 1:03.00 |
| 1 | 52 | Max HARDCASTLE | 9 | Co Leeds | 1:01.77 |
| 2 | 54 | Jack WILLIMENT-BARR | 10 | Co Leeds | 1:00.28 |
| 3 | 56 | Adam KAGWE | 12 | Pudsey 8 | 1:00.00 |
| 4 | 58 | Finley BROOKES | 11 | Pudsey 8 | 59.84 |
| 5 | 57 | Gabriel GRIERSON | 11 | Fearnville 8 | 59.89 |
| 6 | 55 | Billy PARTON | 9 | Co Leeds | 1:00.07 |
| 7 | 53 | Arthur WARING | 9 | Holt Park 8 | 1:01.45 |
| 8 | 51 | Harry WILKINSON | 9 | Co Leeds | 1:01.98 |
| 9 | 49 | Ted TROUSDALE | 9 | Co Leeds | 1:03.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 60 | Alfie WELLS | 12 | Holt Park 8 | 59.49 |
| 1 | 62 | Peadar BURKE | 11 | Morley 8 | 58.09 |
| 2 | 64 | Alexander MILLS | 10 | Co Leeds | 57.70 |
| 3 | 66 | Ethan HUNT | 11 | Pudsey 8 | 57.36 |
| 4 | 68 | Z KOLACZ APPLEYARD | 12 | Fearnville 8 | 56.61 |
| 5 | 67 | Tommy O'CONNELL | 11 | Pudsey 8 | 57.09 |
| 6 | 65 | Rebal ALGHOFARI | 10 | Co Leeds | 57.47 |
| 7 | 63 | Louie TRAVIS | 9 | Co Leeds | 57.94 |
| 8 | 61 | Oliver KEECH | 11 | Morley 8 | 59.21 |
| 9 | 59 | Samuel MCLARKEY | 10 | Smeaton 8 | 59.57 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 70 | Noah DE'GIOVANNI | 10 | Co Leeds | 56.03 |
| 1 | 72 | Fernando FALCAO | 11 | Holt Park 8 | 55.84 |
| 2 | 74 | Leo CHEN | 9 | Holt Park 8 | 55.60 |
| 3 | 76 | Maxwell BEALES | 12 | Aire 8 | 55.34 |
| 4 | 78 | Joel HARRIS | 9 | Co Leeds | 54.23 |
| 5 | 77 | Jayden LUNG | 9 | Co Leeds | 55.29 |
| 6 | 75 | Sam NOBLE | 12 | Holt Park 8 | 55.41 |
| 7 | 73 | Rumi JEEVA | 10 | Co Leeds | 55.79 |
| 8 | 71 | Oskar SZAMUK | 11 | Co Leeds | 56.00 |
| 9 | 69 | Leo FREER | 10 | Co Leeds | 56.20 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 80 | Ryker BOYD | 11 | Co Leeds | 53.77 |
| 1 | 82 | Thomas TURNBULL | 11 | Co Leeds | 53.03 |
| 2 | 84 | Rayan AL-SAJIR | 10 | Co Leeds | 52.80 |
| 3 | 86 | Harvey BLACKBURN | 12 | Co Leeds | 51.26 |
| 4 | 88 | Alfie CALAM | 9 | Co Leeds | 50.48 |
| 5 | 87 | Henry GREAVES | 11 | Aire 8 | 50.77 |
| 6 | 85 | Antoni PALCZEWSKI | 11 | Co Leeds | 52.57 |
| 7 | 83 | Luke DARNELL | 10 | Co Leeds | 52.90 |
| 8 | 81 | Joe DIXON | 10 | Co Leeds | 53.08 |
| 9 | 79 | Harry VICKERMAN | 11 | Co Leeds | 54.00 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 90 | Arshak RAHMANI | 12 | Co Leeds | 50.20 |
| 1 | 92 | Atticus KHAN | 10 | Scott Hall 8 | 49.00 |
| 2 | 94 | Charlie MACFADYEN | 12 | Co Leeds | 48.50 |
| 3 | 96 | Jake HARRISON | 10 | Co Leeds | 46.40 |
| 4 | 98 | Harry TROUSDALE | 12 | Co Leeds | 45.06 |
| 5 | 97 | Alex BOYD | 12 | Co Leeds | 45.20 |
| 6 | 95 | Noah BEDFORD COLLINS | 11 | Co Leeds | 47.10 |
| 7 | 93 | Dexter ROWLANDS | 11 | Co Leeds | 48.64 |
| 8 | 91 | Louie MARSHALL | 11 | Co Leeds | 49.40 |
| 9 | 89 | David MCINTOSH | 9 | Co Leeds | 50.21 |