EVENT 104 Open/Male 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Luke STEFFENSEN | 10 | Aire 8 | 1:24.00 |
| 1 | 4 | Malachi WRIGHT | 10 | JCCS 8 | 1:20.00 |
| 2 | 6 | Nathaniel WRIGHT | 12 | JCCS 8 | 1:20.00 |
| 3 | 8 | Leo WILSON | 10 | Smeaton 8 | 1:20.00 |
| 4 | 10 | N KOLACZ APPLEYARD | 9 | Fearnville 8 | 1:18.10 |
| 5 | 9 | Abdulrahman HUSSAIN | 12 | Fearnville 8 | 1:18.95 |
| 6 | 7 | Oscar DUFFY | 12 | Rothwell 8 | 1:20.00 |
| 7 | 5 | Alfred GLENDINNING | 10 | JCCS 8 | 1:20.00 |
| 8 | 3 | Adonai BEREKET | 10 | Fearnville 8 | 1:21.70 |
| 9 | 1 | Myles WAKE | 9 | Fearnville 8 | 1:25.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Purav SHAH | 9 | JCCS 8 | 1:15.00 |
| 1 | 14 | Sam WEST | 9 | Smeaton 8 | 1:15.00 |
| 2 | 16 | Samuel DRAGE | 8 | Fearnville 8 | 1:10.16 |
| 3 | 18 | Elliot STARK | 10 | Kirkstall 8 | 1:10.00 |
| 4 | 20 | Federico FURNISS | 9 | Scott Hall 8 | 1:07.34 |
| 5 | 19 | Jules BIOCK | 10 | Fearnville 8 | 1:09.04 |
| 6 | 17 | Dylan MORRISROE | 10 | Smeaton 8 | 1:10.00 |
| 7 | 15 | Alex BURBRIDGE | 11 | Fearnville 8 | 1:12.62 |
| 8 | 13 | Alexander MCINTOSH | 7 | Smeaton 8 | 1:15.00 |
| 9 | 11 | Momchil STOYANOV | 12 | JCCS 8 | 1:15.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Thomas PICKARD | 10 | Smeaton 8 | 1:06.56 |
| 1 | 24 | Luca DOUGLAS | 12 | Pudsey 8 | 1:04.00 |
| 2 | 26 | Haris UDDIN | 11 | Fearnville 8 | 1:02.01 |
| 3 | 28 | Joshua PASZEK | 10 | JCCS 8 | 1:00.44 |
| 4 | 30 | Dhruv SHASTRY | 10 | JCCS 8 | 58.62 |
| 5 | 29 | Bailey HUNT | 9 | Morley 8 | 1:00.00 |
| 6 | 27 | Daniel PAHLAVAN | 10 | Fearnville 8 | 1:00.61 |
| 7 | 25 | Louis NINAN | 9 | Fearnville 8 | 1:03.44 |
| 8 | 23 | Harvey HARRIS | 11 | Fearnville 8 | 1:04.08 |
| 9 | 21 | Montague LEEMAN | 8 | Rothwell 8 | 1:07.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 32 | Finlay JONES | 10 | Fearnville 8 | 57.84 |
| 1 | 34 | Christopher PYZNAR | 11 | Fearnville 8 | 57.52 |
| 2 | 36 | William BARKER | 10 | Smeaton 8 | 57.00 |
| 3 | 38 | Ralph ABDY | 10 | Rothwell 8 | 56.09 |
| 4 | 40 | Harry FREE | 12 | Morley 8 | 55.31 |
| 5 | 39 | Rex WALMSLEY | 9 | Scott Hall 8 | 55.57 |
| 6 | 37 | Jack GLENDINNING | 11 | JCCS 8 | 56.19 |
| 7 | 35 | Ryan DRINKALL | 9 | JCCS 8 | 57.17 |
| 8 | 33 | Oliver BREEDON | 10 | Fearnville 8 | 57.68 |
| 9 | 31 | Varun PATEL | 11 | JCCS 8 | 58.56 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 42 | Henry MUNRO | 10 | Scott Hall 8 | 55.00 |
| 1 | 44 | Atticus KHAN | 11 | Scott Hall 8 | 53.88 |
| 2 | 46 | Max COATES-STATECZNY | 12 | Kirkstall 8 | 53.00 |
| 3 | 48 | Nichloas MEAKIN | 12 | Aire 8 | 52.14 |
| 4 | 50 | Harry RIDER | 11 | JCCS 8 | 51.60 |
| 5 | 49 | Jacob DOLBY | 12 | Pudsey 8 | 52.00 |
| 6 | 47 | Tommy O'CONNELL | 12 | Aire 8 | 52.88 |
| 7 | 45 | Oscar DARK | 9 | Scott Hall 8 | 53.12 |
| 8 | 43 | Joseph WOUTERS | 11 | Holt Park 8 | 54.33 |
| 9 | 41 | Henry GREAVES | 12 | Aire 8 | 55.21 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 52 | Nicholas DASHINSKY | 10 | Fearnville 8 | 50.52 |
| 1 | 54 | Marcus PICKARD | 10 | Morley 8 | 50.13 |
| 2 | 56 | Freddie HAWTHORN | 12 | Pudsey 8 | 50.00 |
| 3 | 58 | Theo BEARDSMORE | 12 | Scott Hall 8 | 48.72 |
| 4 | 60 | Christian SUTCLIFFE | 12 | Scott Hall 8 | 46.06 |
| 5 | 59 | Elliott HICKS | 11 | JCCS 8 | 47.36 |
| 6 | 57 | Wai Lok CHAN | 12 | Morley 8 | 49.07 |
| 7 | 55 | Finley BROOKES | 12 | Pudsey 8 | 50.09 |
| 8 | 53 | Leo CHEN | 10 | Holt Park 8 | 50.38 |
| 9 | 51 | Seb BLOOMFIELD | 10 | Scott Hall 8 | 51.40 |