EVENT 108 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Oscar DARK | 8 | Scott Hall 8 | 1:34.44 |
| 4 | 4 | Toby JOHNSON | 9 | Kirkstall 8 | 1:24.90 |
| 5 | 3 | James WALL | 9 | Holt Park 8 | 1:30.00 |
| 6 | 1 | Rex WALMSLEY | 8 | Scott Hall 8 | 1:44.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 6 | Leo LINES | 10 | Co Leeds | 1:20.00 |
| 1 | 8 | Jeevan SYAM | 12 | Fearnville 8 | 1:20.00 |
| 2 | 10 | R PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:20.00 |
| 3 | 12 | George VARLEY | 9 | Co Leeds | 1:20.00 |
| 4 | 14 | Jacob COTTERILL | 11 | Kirkstall 8 | 1:20.00 |
| 5 | 13 | Ryan DRINKALL | 8 | JCCS 8 | 1:20.00 |
| 6 | 11 | Sourajit SAHA | 12 | Scott Hall 8 | 1:20.00 |
| 7 | 9 | Veer SHAH | 10 | Scott Hall 8 | 1:20.00 |
| 8 | 7 | Alex BURBIDGE | 10 | Fearnville 8 | 1:20.00 |
| 9 | 5 | Isaac BARNES | 9 | Kirkstall 8 | 1:20.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 16 | Oliver BREEDON | 9 | Fearnville 8 | 1:20.00 |
| 1 | 18 | Max HARDCASTLE | 9 | Co Leeds | 1:20.00 |
| 2 | 20 | Jacob DOLBY | 11 | Pudsey 8 | 1:20.00 |
| 3 | 22 | Jacob SAWYER | 11 | Pudsey 8 | 1:16.40 |
| 4 | 24 | Adam ADCOCK | 12 | Holt Park 8 | 1:14.00 |
| 5 | 23 | William WINSTANLEY | 10 | Co Leeds | 1:16.06 |
| 6 | 21 | Vedant PRABHU | 10 | Kirkstall 8 | 1:18.00 |
| 7 | 19 | Brody WRIGHT | 8 | Co Leeds | 1:20.00 |
| 8 | 17 | Samuel MCLARKEY | 10 | Smeaton 8 | 1:20.00 |
| 9 | 15 | Seamus COFFEY-WILLS | 9 | Co Leeds | 1:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 26 | Ted TROUSDALE | 9 | Kirkstall 8 | 1:11.77 |
| 1 | 28 | Elliott HICKS | 10 | JCCS 8 | 1:10.00 |
| 2 | 30 | Solomon FAWCETT | 11 | Scott Hall 8 | 1:09.63 |
| 3 | 32 | Harry FOSTER | 10 | Co Leeds | 1:07.85 |
| 4 | 34 | Seif ABDALLAH | 9 | Scott Hall 8 | 1:07.37 |
| 5 | 33 | Buddy WELLS | 10 | Holt Park 8 | 1:07.44 |
| 6 | 31 | Oliver REED | 10 | Morley 8 | 1:08.46 |
| 7 | 29 | Theo BEARDSMORE | 11 | Scott Hall 8 | 1:10.00 |
| 8 | 27 | Oliver MCDEAN | 9 | Co Leeds | 1:11.29 |
| 9 | 25 | Olly ROFFE | 10 | Fearnville 8 | 1:13.64 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 36 | Alexander HUTCHISON | 9 | Co Leeds | 1:06.69 |
| 1 | 38 | Tymon PALCZYNSKI | 9 | Fearnville 8 | 1:05.70 |
| 2 | 40 | Ethan HUNT | 11 | Pudsey 8 | 1:04.69 |
| 3 | 42 | Andre Nicholas ROTARU | 10 | Co Leeds | 1:04.35 |
| 4 | 44 | Ollie SMALL | 10 | Kirkstall 8 | 1:04.00 |
| 5 | 43 | Charlie TURNER | 12 | Scott Hall 8 | 1:04.20 |
| 6 | 41 | Rory CUNDILL | 9 | Scott Hall 8 | 1:04.36 |
| 7 | 39 | Arthur WARING | 9 | Holt Park 8 | 1:05.44 |
| 8 | 37 | Seth GLAZZARD | 11 | Scott Hall 8 | 1:06.55 |
| 9 | 35 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 1:07.16 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 46 | Zachary QUINN | 12 | Aire 8 | 1:03.88 |
| 1 | 48 | Charlie ALCOCK | 12 | Aire 8 | 1:03.00 |
| 2 | 50 | Billy PARTON | 9 | Co Leeds | 1:02.87 |
| 3 | 52 | Finley BROOKES | 11 | Pudsey 8 | 1:02.18 |
| 4 | 54 | Alexander MILLS | 10 | Co Leeds | 1:01.85 |
| 5 | 53 | Harry WILKINSON | 9 | Co Leeds | 1:01.98 |
| 6 | 51 | Louie TRAVIS | 9 | Co Leeds | 1:02.54 |
| 7 | 49 | Henry PARRY | 11 | Rothwell 8 | 1:03.00 |
| 8 | 47 | Liam GORDOIS | 9 | Co Leeds | 1:03.39 |
| 9 | 45 | Lewis GUEN | 10 | Pudsey 8 | 1:03.89 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 56 | Adam KAGWE | 12 | Pudsey 8 | 1:01.00 |
| 1 | 58 | Oliver KEECH | 11 | Morley 8 | 1:00.70 |
| 2 | 60 | C WHETSTONE-VEITCH | 12 | Pudsey 8 | 1:00.00 |
| 3 | 62 | Gabriel GRIERSON | 11 | Fearnville 8 | 58.76 |
| 4 | 64 | Z KOLACZ APPLEYARD | 12 | Fearville 8 | 58.61 |
| 5 | 63 | Sam NOBLE | 12 | Holt Park 8 | 58.65 |
| 6 | 61 | Jayden LUNG | 9 | Co Leeds | 59.47 |
| 7 | 59 | Jack WILLIMENT-BARR | 10 | Co Leeds | 1:00.28 |
| 8 | 57 | Shaun LIU | 9 | Scott Hall 8 | 1:00.89 |
| 9 | 55 | Chase STALKER | 12 | Morley 8 | 1:01.00 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 66 | Joel HARRIS | 9 | JCCS 8 | 58.19 |
| 1 | 68 | Rebal ALGHOFARI | 10 | Co Leeds | 57.60 |
| 2 | 70 | Oskar SZAMUK | 11 | Co Leeds | 57.03 |
| 3 | 72 | Rumi JEEVA | 10 | Co Leeds | 56.60 |
| 4 | 74 | Rayan AL-SAJIR | 10 | Co Leeds | 55.70 |
| 5 | 73 | Leo FREER | 10 | Co Leeds | 56.20 |
| 6 | 71 | Luke DARNELL | 10 | Co Leeds | 57.01 |
| 7 | 69 | Tommy O'CONNELL | 11 | Pudsey 8 | 57.09 |
| 8 | 67 | Noah DE'GIOVANNI | 10 | Fearnville 8 | 57.63 |
| 9 | 65 | Peadar BURKE | 11 | Morley 8 | 58.28 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 76 | Ryker BOYD | 11 | Co Leeds | 54.56 |
| 1 | 78 | Harry VICKERMAN | 11 | Co Leeds | 54.10 |
| 2 | 80 | Finley GILL | 10 | Co Leeds | 53.70 |
| 3 | 82 | Henry GREAVES | 11 | Aire 8 | 52.17 |
| 4 | 84 | Dexter ROWLANDS | 11 | Co Leeds | 51.68 |
| 5 | 83 | Charlie MACFADYEN | 12 | Co Leeds | 52.02 |
| 6 | 81 | Joe DIXON | 10 | Co Leeds | 53.08 |
| 7 | 79 | Antoni PALCZEWSKI | 11 | Co Leeds | 53.97 |
| 8 | 77 | Oliver HIGGINS | 12 | Scott Hall 8 | 54.27 |
| 9 | 75 | Fernando FALCAO | 11 | Holt Park 8 | 55.43 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 86 | Alfie CALAM | 9 | Co Leeds | 50.48 |
| 1 | 88 | Arshak RAHMANI | 12 | Co Leeds | 50.20 |
| 2 | 90 | Jake HARRISON | 10 | Co Leeds | 49.00 |
| 3 | 92 | Noah BEDFORD COLLINS | 11 | Co Leeds | 47.10 |
| 4 | 94 | Thomas TURNBULL | 11 | Pudsey 8 | 46.12 |
| 5 | 93 | Alex BOYD | 12 | Co Leeds | 46.71 |
| 6 | 91 | Harry TROUSDALE | 12 | Co Leeds | 47.69 |
| 7 | 89 | Alfie WELLS | 12 | Holt Park 8 | 49.69 |
| 8 | 87 | David MCINTOSH | 9 | Co Leeds | 50.24 |
| 9 | 85 | Harvey BLACKBURN | 12 | Co Leeds | 51.30 |