EVENT 108 Boys Open 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Henry HINCHLIFFE | 9 | Aireborough8 | |
| 1 | 2 | Jawad SALIM | 9 | Scott Hall 8 | |
| 2 | 3 | Daniel RUTTER | 9 | Co Leeds | 1:22.96 |
| 3 | 4 | Kieran HODGSON-DOVE | 9 | Morley 8 | 1:20.60 |
| 4 | 5 | Jamie ROBERTS | 9 | Aireborough8 | 1:20.00 |
| 5 | 6 | Eli WASS | 9 | Morley 8 | 1:18.30 |
| 6 | 7 | Asher MAXFIELD | 9 | Kirkstall 8 | 1:18.00 |
| 7 | 8 | Matthew JAMES | 9 | John Smeat 8 | 1:16.88 |
| 8 | 9 | Barney SUMNER | 9 | Scott Hall 8 | 1:14.25 |
| 9 | 10 | Oliver STEELE | 10 | Co Leeds | 1:13.53 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Oliver PULLAN | 8 | Morley 8 | 1:13.22 |
| 1 | 12 | Joey HOUSE | 10 | John Smeat 8 | 1:13.01 |
| 2 | 13 | James TAYLOR | 9 | Co Leeds | 1:12.65 |
| 3 | 14 | Oliver FAWCETT | 11 | Aireborough8 | 1:12.00 |
| 4 | 15 | Harrison POWELL | 9 | Co Leeds | 1:11.40 |
| 5 | 16 | Ellis PULLAN | 12 | Morley 8 | 1:10.95 |
| 6 | 17 | Joseph HALL | 9 | TID | 1:10.60 |
| 7 | 18 | Zach GROWTMER | 9 | TID | 1:10.00 |
| 8 | 19 | Ethan SCHOFIELD | 10 | Aireborough8 | 1:09.57 |
| 9 | 20 | Sam REDMOND | 9 | Co Leeds | 1:09.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 21 | Benjamin VERNON | 10 | Co Leeds | 1:08.56 |
| 1 | 22 | George BELLWOOD | 9 | Morley 8 | 1:08.49 |
| 2 | 23 | Matteo CLARK | 10 | Scott Hall 8 | 1:08.00 |
| 3 | 24 | Leonidas KARANIKA-PAYN | 9 | Scott Hall 8 | 1:07.29 |
| 4 | 25 | Devin WEERAPPERUMA | 11 | Morley 8 | 1:05.16 |
| 5 | 26 | Edward JACKSON | 9 | Co Leeds | 1:04.56 |
| 6 | 27 | Curtis MEWSE | 9 | Co Leeds | 1:03.29 |
| 7 | 28 | Samuel THOMAS | 11 | Co Leeds | 1:03.00 |
| 8 | 29 | Fraser BEVER | 11 | Kippax 8 | 1:02.78 |
| 9 | 30 | Arthur FIRTH | 9 | Co Leeds | 1:02.76 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 31 | Sam ROBERTS | 10 | Aireborough8 | 1:02.75 |
| 1 | 32 | Jack TURNER | 10 | TID | 1:02.51 |
| 2 | 33 | Oliver NEWMAN | 9 | Co Leeds | 1:02.41 |
| 3 | 34 | Evan CAI | 11 | Co Leeds | 1:02.10 |
| 4 | 35 | Dominic JONES | 11 | Pudsey | 1:02.00 |
| 5 | 36 | Kieran GRAHAM | 10 | Morley 8 | 1:01.43 |
| 6 | 37 | Joseph TAYLOR | 10 | Co Leeds | 1:01.26 |
| 7 | 38 | Thomas WOOD | 11 | Kippax 8 | 1:01.24 |
| 8 | 39 | Edward SUMNER | 11 | Co Leeds | 1:01.10 |
| 9 | 40 | Oliver THACKER | 10 | Co Leeds | 1:01.06 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 41 | Billy PINDER | 11 | Scott Hall 8 | 1:01.02 |
| 1 | 42 | Edward FRASER | 10 | TID | 1:01.00 |
| 2 | 43 | James HANCOCK | 10 | Co Leeds | 1:00.30 |
| 3 | 44 | Oliver WHITTLESTON | 10 | Co Leeds | 59.76 |
| 4 | 45 | Thomas KERSHAW | 10 | Co Leeds | 58.80 |
| 5 | 46 | Jamie OLOWOSYKO | 11 | Scott Hall 8 | 58.66 |
| 6 | 47 | Oliver BROMPTON | 9 | Co Leeds | 58.47 |
| 7 | 48 | Nako MOKETE | 10 | Co Leeds | 58.19 |
| 8 | 49 | Ben SIMENTON | 12 | Pudsey | 58.14 |
| 9 | 50 | Charles RUTTER | 11 | Co Leeds | 58.10 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 51 | Jacob TALBOT | 9 | Wetherby 8 | 57.76 |
| 1 | 52 | Kieran HEPWORTH | 10 | Co Leeds | 57.08 |
| 2 | 53 | Matty - Joe WILSON | 10 | Pudsey | 56.55 |
| 3 | 54 | Joshua MCMASTER | 10 | Kippax 8 | 55.68 |
| 4 | 55 | Alexander MCCALLUM | 10 | Co Leeds | 55.42 |
| 5 | 56 | Luca BEDNAREK | 10 | Co Leeds | 55.40 |
| 6 | 57 | Reuben OWEN | 12 | Kippax 8 | 55.22 |
| 7 | 58 | Dominic VILA | 9 | Co Leeds | 54.93 |
| 8 | 59 | Ginikanwa ENE | 11 | Co Leeds | 54.81 |
| 9 | 60 | Daniel CRETU | 11 | John Smeat 8 | 54.51 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 62 | Hisham SHAIKH | 11 | Co Leeds | 53.80 |
| 1 | 64 | Matthew ROBERTS | 11 | Co Leeds | 52.45 |
| 2 | 66 | Mason VILA | 11 | Co Leeds | 51.30 |
| 3 | 68 | George BROOKS | 10 | Co Leeds | 50.94 |
| 4 | 70 | Nathan RADBOURNE | 10 | Co Leeds | 49.27 |
| 5 | 69 | James ADKIN | 10 | Co Leeds | 50.30 |
| 6 | 67 | Daniel RANSOM | 9 | Co Leeds | 51.26 |
| 7 | 65 | Nathan DULAY | 11 | Co Leeds | 51.76 |
| 8 | 63 | Joshua HUTCHINSON | 11 | Pudsey | 53.46 |
| 9 | 61 | Benjamin BISSETT | 12 | Wetherby 8 | 53.88 |