EVENT 108 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | A PERULERO DRIEHAUS | 9 | Kirkstall 8 | 2:00.00 |
| 2 | 3 | Adonai BEREKET | 9 | Fearnville 8 | 1:32.30 |
| 3 | 5 | Myles PHILLIS | 8 | Aire 8 | 1:29.65 |
| 4 | 7 | Christopher PYZNAR | 10 | Fearnville 8 | 1:27.33 |
| 5 | 6 | Rex WALMSLEY | 8 | Scott Hall 8 | 1:28.86 |
| 6 | 4 | Joseph WOUTERS | 10 | Kirkstall 8 | 1:30.00 |
| 7 | 2 | Max COATES-STATECZNY | 11 | Kirkstall 8 | 1:35.00 |
| 8 | 98 | Ranakhveer BHURA | 11 | Smeaton 8 | 1::1.5. |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Oscar DARK | 8 | Scott Hall 8 | 1:23.80 |
| 1 | 11 | Joshua WARD-PICKLES | 10 | Rothwell 8 | 1:22.12 |
| 2 | 13 | Alexander LUMLEY | 8 | Co Leeds | 1:20.00 |
| 3 | 15 | Harry RIDER | 10 | JCCS 8 | 1:20.00 |
| 4 | 17 | William HAMER | 8 | Co Leeds | 1:20.00 |
| 5 | 16 | Purav SHAH | 8 | JCCS 8 | 1:20.00 |
| 6 | 14 | Ranveer BHURA | 11 | Smeaton 8 | 1:20.00 |
| 7 | 12 | Tommy O'CONNELL | 11 | Pudsey 8 | 1:20.00 |
| 8 | 10 | Oscar DUFFY | 11 | Rothwell 8 | 1:23.36 |
| 9 | 8 | Ryan DRINKALL | 8 | JCCS 8 | 1:26.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 19 | Harvey HARRIS | 10 | Fearnville 8 | 1:19.85 |
| 1 | 21 | Toby GILL | 8 | Rothwell 8 | 1:16.22 |
| 2 | 23 | Mason SMITH | 8 | Aire 8 | 1:15.00 |
| 3 | 25 | Henry MUNRO | 9 | Scott Hall 8 | 1:15.00 |
| 4 | 27 | Drupta VANGAPALLY | 12 | Smeaton 8 | 1:14.00 |
| 5 | 26 | Jack FOWLER | 9 | Rothwell 8 | 1:14.10 |
| 6 | 24 | Rohan CHAHAL | 9 | Co Leeds | 1:15.00 |
| 7 | 22 | Dalen ALI | 10 | Holt Park 8 | 1:15.96 |
| 8 | 20 | Oliver BREEDON | 9 | Fearnville 8 | 1:16.23 |
| 9 | 18 | Felix TURCIK | 11 | Aire 8 | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 29 | Jules BIOCK | 9 | Fearnville 8 | 1:12.64 |
| 1 | 31 | Nicolas DASHINSKY | 9 | Fearnville 8 | 1:10.63 |
| 2 | 33 | Toby CROWTHER | 10 | Smeaton 8 | 1:10.00 |
| 3 | 35 | Alan ALADIN | 11 | Smeaton 8 | 1:10.00 |
| 4 | 37 | Harry SMITH | 9 | Co Leeds | 1:08.00 |
| 5 | 36 | Connor MACFADYEN | 9 | Co Leeds | 1:09.17 |
| 6 | 34 | Wilbur GIBSON | 9 | Co Leeds | 1:10.00 |
| 7 | 32 | Harry FREE | 11 | Morley 8 | 1:10.00 |
| 8 | 30 | Nicholas MEAKIN | 11 | Aire 8 | 1:11.40 |
| 9 | 28 | R PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:14.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 39 | Seamus COFFEY-WILLS | 9 | Co Leeds | 1:06.17 |
| 1 | 41 | Ted TROUSDALE | 9 | Co Leeds | 1:04.75 |
| 2 | 43 | Oliver MCDEAN | 9 | Co Leeds | 1:03.28 |
| 3 | 45 | Aadvik VINODHKUMAR | 10 | Smeaton 8 | 1:03.02 |
| 4 | 47 | Hanry PARRY | 11 | Rothwell 8 | 1:03.00 |
| 5 | 46 | Jacob DOLBY | 11 | Pudsey 8 | 1:03.00 |
| 6 | 44 | Buddy WELLS | 10 | Holt Park 8 | 1:03.26 |
| 7 | 42 | Tymon PALCZYNSKI | 9 | Co Leeds | 1:04.24 |
| 8 | 40 | Emmett PHILLIS | 8 | Aire 8 | 1:05.80 |
| 9 | 38 | Brody WRIGHT | 8 | Co Leeds | 1:06.45 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 49 | Jack WEST | 10 | Smeaton 8 | 1:02.00 |
| 1 | 51 | Lilly PHIPPS | 11 | Pudsey 8 | 1:02.00 |
| 2 | 53 | Zachary QUINN | 12 | Aire 8 | 1:01.01 |
| 3 | 55 | Harry FOSTER | 10 | Co Leeds | 1:00.40 |
| 4 | 57 | Arda GUNGOR | 8 | Co Leeds | 1:00.00 |
| 5 | 56 | Rohan SCHIR NAZAR | 12 | JCCS 8 | 1:00.00 |
| 6 | 54 | Arthur WARING | 9 | Holt Park 8 | 1:00.83 |
| 7 | 52 | Oliver REED | 10 | Morley 8 | 1:01.26 |
| 8 | 50 | C WHETSTONE-VEITCH | 12 | Pudsey 8 | 1:02.00 |
| 9 | 48 | Lewis GUEN | 10 | Pudsey 8 | 1:02.25 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 59 | George VARLEY | 9 | Morley 8 | 1:00.00 |
| 1 | 61 | Finley BROOKES | 11 | Pudsey 8 | 59.84 |
| 2 | 63 | Oliver KEECH | 11 | Morley 8 | 59.21 |
| 3 | 65 | Leo LINES | 10 | Co Leeds | 58.70 |
| 4 | 67 | Samuel MCLARKEY | 10 | Smeaton 8 | 58.08 |
| 5 | 66 | Liam GORDOIS | 9 | Co Leeds | 58.40 |
| 6 | 64 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 59.11 |
| 7 | 62 | Elliott HICKS | 10 | JCCS 8 | 59.60 |
| 8 | 60 | Gabriel GRIERSON | 11 | Fearnville 8 | 59.89 |
| 9 | 58 | Vedant PRABHU | 10 | Kirkstall 8 | 1:00.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 69 | Wai Lok CHAN | 11 | Morley 8 | 57.95 |
| 1 | 71 | Theo BEARDSMORE | 11 | Scott Hall 8 | 57.80 |
| 2 | 73 | Alfie WELLS | 12 | Holt Park 8 | 56.81 |
| 3 | 75 | Harry WILKINSON | 9 | Co Leeds | 56.70 |
| 4 | 77 | Leo CHEN | 9 | Holt Park 8 | 55.71 |
| 5 | 76 | Shaun LIU | 9 | Co Leeds | 55.81 |
| 6 | 74 | Z KOLACZ-APPLEYARD | 12 | Fearnville 8 | 56.80 |
| 7 | 72 | Jack WILLIMENT-BARR | 10 | Co Leeds | 57.48 |
| 8 | 70 | Louie TRAVIS | 9 | Co Leeds | 57.83 |
| 9 | 68 | Ollie SMALL | 10 | Kirkstall 8 | 58.00 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 79 | Ethan HUNT | 11 | Pudsey 8 | 54.39 |
| 1 | 81 | Ryker BOYD | 11 | Co Leeds | 53.77 |
| 2 | 83 | Toby MANDER | 11 | Scott Hall 8 | 52.98 |
| 3 | 85 | William WINSTANLEY | 10 | Co Leeds | 52.80 |
| 4 | 87 | Oliver HIGGINS | 12 | Scott Hall 8 | 51.87 |
| 5 | 86 | Joel HARRIS | 9 | Co Leeds | 52.23 |
| 6 | 84 | Rayan AL-SAJIR | 10 | Co Leeds | 52.80 |
| 7 | 82 | Thomas TURNBULL | 11 | Co Leeds | 53.03 |
| 8 | 80 | Rumi JEEVA | 10 | Co Leeds | 53.80 |
| 9 | 78 | Andre Nicholas ROTARU | 10 | Co Leeds | 54.90 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 89 | Luke DARNELL | 10 | Co Leeds | 51.55 |
| 1 | 91 | Noah DE'GIOVANNI | 10 | Co Leeds | 50.70 |
| 2 | 93 | Harvey BLACKBURN | 12 | Co Leeds | 50.00 |
| 3 | 95 | Charlie MACFADYEN | 12 | Co Leeds | 48.00 |
| 4 | 97 | Harry TROUSDALE | 12 | Co Leeds | 43.71 |
| 5 | 96 | Alex BOYD | 12 | Co Leeds | 44.31 |
| 6 | 94 | Arshak RAHMANI | 12 | Co Leeds | 49.54 |
| 7 | 92 | Henry GREAVES | 11 | Aire 8 | 50.18 |
| 8 | 90 | Joe DIXON | 10 | Co Leeds | 50.78 |
| 9 | 88 | Atticus KHAN | 10 | Scott Hall 8 | 51.84 |