EVENT 102 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Harris FOXLEY | 10 | Holt Park 8 | 1:25.28 |
| 3 | 4 | Louis NINAN | 8 | Fearnville 8 | 1:23.65 |
| 4 | 6 | Albert DRIEHAUS | 9 | Kirkstall 8 | 1:19.00 |
| 5 | 5 | Oscar DUFFY | 11 | Rothwell 8 | 1:20.00 |
| 6 | 3 | Luke STEFFENSEN | 9 | Aire 8 | 1:24.41 |
| 7 | 1 | Aaryan MITRA | 8 | Kirkstall 8 | 2:32.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 8 | Joshua PASZEK | 9 | JCCS 8 | 1:15.00 |
| 1 | 10 | Robert DRIEHAUS | 9 | Kirkstall 8 | 1:15.00 |
| 2 | 12 | Toby CROWTHER | 10 | Smeaton 8 | 1:15.00 |
| 3 | 14 | Pui Leiong SIMSON LI | 10 | Smeaton 8 | 1:15.00 |
| 4 | 16 | Dylan MORRISROE | 9 | Smeaton 8 | 1:15.00 |
| 5 | 15 | Dhruv SHASTRY | 9 | JCCS 8 | 1:15.00 |
| 6 | 13 | Yusuf SHAYKHANI | 11 | Kirkstall 8 | 1:15.00 |
| 7 | 11 | Dexter YATES | 10 | Rothwell 8 | 1:15.00 |
| 8 | 9 | Federico FURNISS | 8 | Scott Hall 8 | 1:15.00 |
| 9 | 7 | Jules BIOCK | 9 | Fearnville 8 | 1:17.54 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 18 | Jacob DOLBY | 11 | Pudsey 8 | 1:15.00 |
| 1 | 20 | Vihaan PATIL | 10 | JCCS 8 | 1:12.35 |
| 2 | 22 | Alexander LUMLEY | 8 | Co Leeds | 1:10.00 |
| 3 | 24 | Ralph ABDY | 9 | Rothwell 8 | 1:10.00 |
| 4 | 26 | Hugo TRAVISS-TURNER | 8 | JCCS 8 | 1:10.00 |
| 5 | 25 | Seb BLOOMFIELD | 9 | Scott Hall 8 | 1:10.00 |
| 6 | 23 | William BARKER | 9 | Smeaton 8 | 1:10.00 |
| 7 | 21 | Ethan WRIGHT | 9 | Smeaton 8 | 1:10.00 |
| 8 | 19 | Zach MCMENEMY | 9 | Rothwell 8 | 1:14.85 |
| 9 | 17 | Varun PATEL | 10 | JCCS 8 | 1:15.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 28 | Purav SHAH | 8 | JCCS 8 | 1:07.37 |
| 1 | 30 | Myles PHILLIS | 8 | Co Leeds | 1:06.66 |
| 2 | 32 | Henry MUNRO | 9 | Scott Hall 8 | 1:03.00 |
| 3 | 34 | Finlay JONES | 9 | Fearnville 8 | 1:02.80 |
| 4 | 36 | Jack FOWLER | 9 | Rothwell 8 | 1:01.14 |
| 5 | 35 | Joseph WOUTERS | 10 | Holt Park 8 | 1:02.00 |
| 6 | 33 | Nicolas DASHINSKY | 9 | Fearnville 8 | 1:02.96 |
| 7 | 31 | William HAMER | 8 | Co Leeds | 1:05.00 |
| 8 | 29 | Christopher PYZNAR | 10 | Fearnville 8 | 1:07.09 |
| 9 | 27 | Isaac FALKINGHAM | 9 | JCCS 8 | 1:08.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 38 | Daniel PAHLAVAN | 9 | Fearnville 8 | 1:00.61 |
| 1 | 40 | Luca DOUGLAS | 11 | Pudsey 8 | 1:00.00 |
| 2 | 42 | Rex WALMSLEY | 8 | Scott Hall 8 | 58.54 |
| 3 | 44 | Harry RIDER | 10 | JCCS 8 | 57.95 |
| 4 | 46 | Jack GLENDINNING | 10 | JCCS 8 | 57.32 |
| 5 | 45 | Oliver BREEDON | 9 | Fearnville 8 | 57.68 |
| 6 | 43 | Max COATES-STATECZNY | 11 | Kirkstall 8 | 58.00 |
| 7 | 41 | Zain SHAMSHUDIN | 9 | Morley 8 | 1:00.00 |
| 8 | 39 | Oscar DARK | 8 | Scott Hall 8 | 1:00.09 |
| 9 | 37 | Dalen ALI | 10 | Holt Park 8 | 1:01.12 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 48 | Ryan DRINKALL | 8 | JCCS 8 | 56.48 |
| 1 | 50 | Ted TROUSDALE | 9 | Co Leeds | 56.26 |
| 2 | 52 | Harry FREE | 11 | Morley 8 | 56.00 |
| 3 | 54 | James WALL | 9 | Holt Park 8 | 55.55 |
| 4 | 56 | Freddie HAWTHORN | 11 | Pudsey 8 | 54.00 |
| 5 | 55 | Arda GUNGOR | 8 | Co Leeds | 55.11 |
| 6 | 53 | Henry GREAVES | 11 | Aire 8 | 55.72 |
| 7 | 51 | Marcus PICKARD | 9 | Morley 8 | 56.00 |
| 8 | 49 | Arthur WARING | 9 | Holt Park 8 | 56.44 |
| 9 | 47 | Maxwell BEALES | 12 | Aire 8 | 56.86 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 58 | Connor MACFADYEN | 9 | Co Leeds | 53.61 |
| 1 | 60 | James CADDY | 10 | Fearnville 8 | 53.12 |
| 2 | 62 | Wai Lok CHAN | 11 | Morley 8 | 53.00 |
| 3 | 64 | Emmett PHILLIS | 8 | Co Leeds | 52.34 |
| 4 | 66 | Etienne WILSON | 9 | Co Leeds | 52.15 |
| 5 | 65 | Toby GILL | 8 | Co Leeds | 52.29 |
| 6 | 63 | Brody WRIGHT | 8 | Co Leeds | 52.64 |
| 7 | 61 | Elliott HICKS | 10 | JCCS 8 | 53.00 |
| 8 | 59 | Finley BROOKES | 11 | Pudsey 8 | 53.34 |
| 9 | 57 | Tymon PALCZYNSKI | 9 | Co Leeds | 53.71 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 68 | Theo BEARDSMORE | 11 | Scott Hall 8 | 51.93 |
| 1 | 70 | Z KOLACZ APPLEYARD | 12 | Fearnville 8 | 51.29 |
| 2 | 72 | Nicholas MEAKIN | 11 | Aire 8 | 51.11 |
| 3 | 74 | Leo CHEN | 9 | Holt Park 8 | 50.40 |
| 4 | 76 | Sam NOBLE | 12 | Holt Park 8 | 50.07 |
| 5 | 75 | Louie TRAVIS | 9 | Co Leeds | 50.32 |
| 6 | 73 | Atticus KHAN | 10 | Scott Hall 8 | 50.80 |
| 7 | 71 | Billy PARTON | 9 | Co Leeds | 51.24 |
| 8 | 69 | C WHETSTONE-VEITCH | 12 | Pudsey 8 | 51.87 |
| 9 | 67 | Wilbur GIBSON | 9 | Co Leeds | 52.10 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 78 | Leo LINES | 10 | Co Leeds | 49.96 |
| 1 | 80 | Rebal ALGHOFARI | 10 | Co Leeds | 49.10 |
| 2 | 82 | Felix TURCIK | 11 | Aire 8 | 48.63 |
| 3 | 84 | Oliver MCDEAN | 9 | Co Leeds | 48.40 |
| 4 | 86 | Luke DARNELL | 10 | Co Leeds | 48.10 |
| 5 | 85 | Zachary QUINN | 12 | Aire 8 | 48.13 |
| 6 | 83 | Joel HARRIS | 9 | Co Leeds | 48.47 |
| 7 | 81 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 48.70 |
| 8 | 79 | Rayan AL-SAJIR | 10 | Co Leeds | 49.26 |
| 9 | 77 | Seamus COFFEY-WILLS | 9 | Co Leeds | 49.99 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 88 | Noah DE'GIOVANNI | 10 | Co Leeds | 47.49 |
| 1 | 90 | Alfie WELLS | 12 | Holt Park 8 | 46.46 |
| 2 | 92 | Harry WILKINSON | 9 | Co Leeds | 46.13 |
| 3 | 94 | Leo FREER | 10 | Co Leeds | 45.86 |
| 4 | 96 | Max HARDCASTLE | 9 | Co Leeds | 45.20 |
| 5 | 95 | Joe DIXON | 10 | Co Leeds | 45.41 |
| 6 | 93 | William WINSTANLEY | 10 | Co Leeds | 45.97 |
| 7 | 91 | Shaun LIU | 9 | Co Leeds | 46.46 |
| 8 | 89 | Harry SMITH | 9 | Co Leeds | 46.94 |
| 9 | 87 | Alexander MILLS | 10 | Co Leeds | 47.51 |
| Heat Number - 11 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 98 | Harvey BLACKBURN | 12 | Co Leeds | 43.83 |
| 1 | 100 | Rumi JEEVA | 10 | Co Leeds | 41.61 |
| 2 | 102 | Sebastian BARKER | 10 | Co Leeds | 41.03 |
| 3 | 104 | Andre Nicholas ROTARU | 10 | Co Leeds | 40.77 |
| 4 | 106 | Arshak RAHMANI | 12 | Co Leeds | 38.66 |
| 5 | 105 | Toby MANDER | 11 | Co Leeds | 39.83 |
| 6 | 103 | Harry TROUSDALE | 12 | Co Leeds | 40.77 |
| 7 | 101 | Charlie MACFADYEN | 12 | Co Leeds | 41.08 |
| 8 | 99 | Ethan HUNT | 11 | Co Leeds | 42.10 |
| 9 | 97 | Sourajit SAHA | 12 | Scott Hall 8 | 44.00 |