EVENT 102 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Jacob SAWYER | 11 | Pudsey 8 | 1:30.00 |
| 4 | 3 | Oscar DARK | 8 | Scott Hall 8 | 1:20.21 |
| 5 | 2 | Toby JOHNSON | 9 | Kirkstall 8 | 1:25.70 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 4 | Rex WALMSLEY | 8 | Scott Hall 8 | 1:18.00 |
| 1 | 6 | James CADDY | 10 | Fearnville 8 | 1:15.00 |
| 2 | 8 | Ryan DRINKALL | 8 | JCCS 8 | 1:15.00 |
| 3 | 10 | Leo LINES | 10 | Co Leeds | 1:15.00 |
| 4 | 12 | George VARLEY | 9 | Co Leeds | 1:15.00 |
| 5 | 11 | Veer SHAH | 10 | Scott Hall 8 | 1:15.00 |
| 6 | 9 | Noah DE'GIOVANNI | 10 | Fearnville 8 | 1:15.00 |
| 7 | 7 | Jacob DOLBY | 11 | Pudsey 8 | 1:15.00 |
| 8 | 5 | Jeevan SYAM | 12 | Fearnville 8 | 1:15.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 14 | Max HARDCASTLE | 9 | Co Leeds | 1:15.00 |
| 1 | 16 | Etienne WILSON | 8 | Smeaton 8 | 1:15.00 |
| 2 | 18 | Samuel MCLARKEY | 10 | Smeaton 8 | 1:15.00 |
| 3 | 20 | Ted TROUSDALE | 9 | Kirkstall 8 | 1:12.36 |
| 4 | 22 | Sebastian BARKER | 10 | Scott Hall 8 | 1:10.00 |
| 5 | 21 | Ethan BOSWORTH | 11 | Smeaton 8 | 1:11.26 |
| 6 | 19 | Sourajit SAHA | 12 | Scott Hall 8 | 1:15.00 |
| 7 | 17 | R PERULERO DRIEHAUS | 9 | Kirkstall 8 | 1:15.00 |
| 8 | 15 | Oliver BREEDON | 9 | Fearnville 8 | 1:15.00 |
| 9 | 13 | Brody WRIGHT | 8 | Co Leeds | 1:15.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 24 | Charlie ALCOCK | 12 | Aire 8 | 1:08.83 |
| 1 | 26 | Vedant PRABHU | 10 | Kirkstall 8 | 1:06.80 |
| 2 | 28 | Tymon PALCZYNSKI | 9 | Fearnville 8 | 1:03.64 |
| 3 | 30 | Joel HARRIS | 9 | JCCS 8 | 1:02.00 |
| 4 | 32 | Shaun LIU | 9 | Scott Hall 8 | 1:00.89 |
| 5 | 31 | Nicholas MEAKIN | 11 | Aire 8 | 1:01.01 |
| 6 | 29 | Solomon FAWCETT | 11 | Scott Hall 8 | 1:02.32 |
| 7 | 27 | Theo BEARDSMORE | 11 | Scott Hall 8 | 1:05.00 |
| 8 | 25 | Olly ROFFE | 10 | Fearnville 8 | 1:08.44 |
| 9 | 23 | Mitul SOOD | 11 | Fearnville 8 | 1:10.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 34 | Lewis GUEN | 10 | Pudsey 8 | 59.90 |
| 1 | 36 | Louie TRAVIS | 9 | Co Leeds | 59.27 |
| 2 | 38 | Freddie HAWTHORN | 11 | Pudsey 8 | 57.40 |
| 3 | 40 | Henry PARRY | 11 | Rothwell 8 | 57.20 |
| 4 | 42 | Alexander MILLS | 10 | Co Leeds | 56.02 |
| 5 | 41 | Oliver KEECH | 11 | Morley 8 | 56.60 |
| 6 | 39 | Rory CUNDILL | 9 | Scott Hall 8 | 57.35 |
| 7 | 37 | Seamus COFFEY-WILLS | 9 | Co Leeds | 57.69 |
| 8 | 35 | Adam KAGWE | 12 | Pudsey 8 | 59.56 |
| 9 | 33 | Ollie SMALL | 10 | Kirkstall 8 | 1:00.20 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 44 | Elliott HICKS | 10 | JCCS 8 | 55.70 |
| 1 | 46 | Tommy O'CONNELL | 11 | Pudsey 8 | 55.23 |
| 2 | 48 | Henry GREAVES | 11 | Aire 8 | 54.88 |
| 3 | 50 | Harry FOSTER | 10 | Co Leeds | 54.40 |
| 4 | 52 | Oliver REED | 10 | Morley 8 | 54.13 |
| 5 | 51 | Finley BROOKES | 11 | Pudsey 8 | 54.23 |
| 6 | 49 | Billy PARTON | 9 | Co Leeds | 54.55 |
| 7 | 47 | Christian SUTCLIFFE | 11 | Scott Hall 8 | 54.93 |
| 8 | 45 | Jacob COTTERILL | 11 | Kirkstall 8 | 55.41 |
| 9 | 43 | Rebal ALGHOFARI | 10 | Co Leeds | 55.80 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 54 | Rayan AL-SAJIR | 10 | Co Leeds | 53.56 |
| 1 | 56 | Liam GORDOIS | 9 | Co Leeds | 53.15 |
| 2 | 58 | Sam NOBLE | 12 | Holt Park 8 | 52.29 |
| 3 | 60 | Peadar BURKE | 11 | Morley 8 | 52.14 |
| 4 | 62 | Oliver MCDEAN | 9 | Co Leeds | 51.75 |
| 5 | 61 | Chase STALKER | 12 | Morley 8 | 51.80 |
| 6 | 59 | William WINSTANLEY | 10 | Co Leeds | 52.20 |
| 7 | 57 | Seth GLAZZARD | 11 | Scott Hall 8 | 52.35 |
| 8 | 55 | C WHETSTONE-VEITCH | 12 | Pudsey 8 | 53.33 |
| 9 | 53 | Luke DARNELL | 10 | Co Leeds | 53.83 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 64 | Jayden LUNG | 9 | Co Leeds | 51.47 |
| 1 | 66 | Antoni PALCZEWSKI | 11 | Co Leeds | 51.20 |
| 2 | 68 | Zachary QUINN | 12 | Aire 8 | 50.32 |
| 3 | 70 | Leo FREER | 10 | Co Leeds | 49.20 |
| 4 | 72 | Finley GILL | 10 | Co Leeds | 47.90 |
| 5 | 71 | Oliver HIGGINS | 12 | Scott Hall 8 | 49.06 |
| 6 | 69 | Harry WILKINSON | 9 | Co Leeds | 49.68 |
| 7 | 67 | Jack WILLIMENT-BARR | 10 | Co Leeds | 50.55 |
| 8 | 65 | Z KOLACZ APPLEYARD | 12 | Fearville 8 | 51.33 |
| 9 | 63 | Alexander HUTCHISON | 9 | Co Leeds | 51.73 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 74 | Joe DIXON | 10 | Co Leeds | 47.08 |
| 1 | 76 | Ethan HUNT | 11 | Pudsey 8 | 46.77 |
| 2 | 78 | Alfie WELLS | 12 | Holt Park 8 | 46.46 |
| 3 | 80 | Thomas TURNBULL | 11 | Pudsey 8 | 46.12 |
| 4 | 82 | Harvey BLACKBURN | 12 | Co Leeds | 45.26 |
| 5 | 81 | Harry VICKERMAN | 11 | Co Leeds | 45.97 |
| 6 | 79 | Ryker BOYD | 11 | Co Leeds | 46.20 |
| 7 | 77 | Rumi JEEVA | 10 | Co Leeds | 46.60 |
| 8 | 75 | Jake HARRISON | 10 | Co Leeds | 47.00 |
| 9 | 73 | Andre Nicholas ROTARU | 10 | Co Leeds | 47.50 |
| Heat Number - 10 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 84 | Toby MANDER | 11 | Scott Hall 8 | 44.32 |
| 1 | 86 | Alfie CALAM | 9 | Co Leeds | 44.11 |
| 2 | 88 | Charlie MACFADYEN | 12 | Co Leeds | 42.90 |
| 3 | 90 | Harry TROUSDALE | 12 | Co Leeds | 42.74 |
| 4 | 92 | Alex BOYD | 12 | Co Leeds | 40.03 |
| 5 | 91 | Arshak RAHMANI | 12 | Co Leeds | 42.35 |
| 6 | 89 | Oskar SZAMUK | 11 | Co Leeds | 42.90 |
| 7 | 87 | David MCINTOSH | 9 | Co Leeds | 43.62 |
| 8 | 85 | Dexter ROWLANDS | 11 | Co Leeds | 44.28 |
| 9 | 83 | Noah BEDFORD COLLINS | 11 | Co Leeds | 44.40 |