EVENT 203 Open/Male 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 1 | Oliver MCDEAN | 8 | Co Leeds | 1:11.39 |
| 1 | 3 | Harry FOSTER | 9 | Co Leeds | 1:08.49 |
| 2 | 5 | Daniel CLARK | 10 | Co Leeds | 1:00.17 |
| 3 | 7 | Harry VICKERMAN | 10 | Co Leeds | 58.55 |
| 4 | 9 | Luke DARNELL | 9 | Co Leeds | 57.01 |
| 5 | 8 | Ryker BOYD | 10 | Co Leeds | 58.12 |
| 6 | 6 | Harry WILKINSON | 8 | Co Leeds | 1:00.00 |
| 7 | 4 | Rebal ALGHOFARI | 9 | Co Leeds | 1:00.19 |
| 8 | 2 | Jayden LUNG | 8 | Co Leeds | 1:09.17 |
| 9 | 80 | Solomon COFFEY-WILLS | 11 | Co Leeds | 1::00..1 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 11 | Harvey BLACKBURN | 11 | Co Leeds | 54.62 |
| 1 | 13 | Callum YOUNG | 9 | Co Leeds | 54.00 |
| 2 | 15 | Reuben BARKER | 9 | Co Leeds | 53.93 |
| 3 | 17 | Gabriel HIRST | 10 | Co Leeds | 53.23 |
| 4 | 19 | Jake HARRISON | 9 | Co Leeds | 52.01 |
| 5 | 18 | Finley SMITH | 9 | Co Leeds | 52.31 |
| 6 | 16 | Arshak RAHMANI | 11 | Co Leeds | 53.72 |
| 7 | 14 | Alfie CALAM | 8 | Co Leeds | 53.99 |
| 8 | 12 | Theo SIRA | 11 | Co Leeds | 54.30 |
| 9 | 10 | Rayan AL-SAJIR | 9 | Co Leeds | 56.57 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 21 | Jacob CAWOOD | 10 | Co Leeds | 50.79 |
| 1 | 23 | Ellis HARGREAVES | 12 | Co Leeds | 50.60 |
| 2 | 25 | Adam MOHAMED | 9 | Co Leeds | 49.86 |
| 3 | 27 | Jude CALVERT | 11 | Co Leeds | 49.27 |
| 4 | 29 | Henry PATTERSON | 10 | Co Leeds | 48.55 |
| 5 | 28 | Fraser GALBRAITH | 10 | Co Leeds | 48.70 |
| 6 | 26 | Alex BOYD | 11 | Co Leeds | 49.35 |
| 7 | 24 | Euan CARMODY | 11 | Co Leeds | 50.10 |
| 8 | 22 | Zac PHILLIPS | 10 | Co Leeds | 50.60 |
| 9 | 20 | George BEILBY-WOODWARD | 10 | Co Leeds | 51.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 31 | Samuel FORD | 10 | Co Leeds | 47.40 |
| 1 | 33 | Harrison NORTON | 11 | Co Leeds | 46.95 |
| 2 | 35 | Edgar TRAVISS-TURNER | 12 | Co Leeds | 46.80 |
| 3 | 37 | Theo GILBERT | 11 | Co Leeds | 46.42 |
| 4 | 39 | Mustafa RAZA | 10 | Co Leeds | 45.70 |
| 5 | 38 | Tyler GREEN | 11 | Co Leeds | 46.30 |
| 6 | 36 | Jeffrey LANGE | 13 | Co Leeds | 46.68 |
| 7 | 34 | Barney HOBBS | 12 | Co Leeds | 46.80 |
| 8 | 32 | Muhammad RAZA | 12 | Co Leeds | 47.00 |
| 9 | 30 | Daniel RAWLINGS | 11 | Co Leeds | 48.10 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 41 | David GRIGORE | 11 | Co Leeds | 45.20 |
| 1 | 43 | Oliver BARKER | 11 | Co Leeds | 44.40 |
| 2 | 45 | Hogan LAM | 13 | Co Leeds | 44.00 |
| 3 | 47 | George RICKETTS | 11 | Co Leeds | 43.80 |
| 4 | 49 | Oliver BARRETT | 13 | Co Leeds | 43.12 |
| 5 | 48 | Olaf GRUDOWSKI | 13 | Co Leeds | 43.21 |
| 6 | 46 | George KING | 12 | Co Leeds | 43.90 |
| 7 | 44 | Tomas BICKERS | 12 | Co Leeds | 44.40 |
| 8 | 42 | Oscar CALAM | 11 | Co Leeds | 45.10 |
| 9 | 40 | Lewis LUNG | 11 | Co Leeds | 45.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 51 | Angus YOUNG | 13 | Co Leeds | 42.70 |
| 1 | 53 | Zachary WHITTAKER | 11 | Co Leeds | 42.00 |
| 2 | 55 | Leo LI | 12 | Co Leeds | 42.00 |
| 3 | 57 | Liam LI | 10 | Co Leeds | 41.50 |
| 4 | 59 | Jackson CLARKE | 14 | Co Leeds | 40.80 |
| 5 | 58 | James THOMSON | 15 | Co Leeds | 41.04 |
| 6 | 56 | William LANCASHIRE | 14 | Co Leeds | 41.90 |
| 7 | 54 | Ted WINGFIELD | 10 | Co Leeds | 42.00 |
| 8 | 52 | Tyler RAVEN | 11 | Co Leeds | 42.30 |
| 9 | 50 | Matthew OGBUAGU | 12 | Co Leeds | 43.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 61 | Benjamin CLARK | 13 | Co Leeds | 40.59 |
| 1 | 63 | Harley GILL | 12 | Co Leeds | 39.40 |
| 2 | 65 | Harrison WAKE | 12 | Co Leeds | 38.70 |
| 3 | 67 | Luke DYER | 17 | Co Leeds | 37.29 |
| 4 | 69 | George CARRY | 16 | Co Leeds | 36.40 |
| 5 | 68 | William WILSON | 14 | Co Leeds | 36.40 |
| 6 | 66 | Owen CARMODY | 14 | Co Leeds | 37.40 |
| 7 | 64 | Callum FOZARD | 13 | Co Leeds | 38.90 |
| 8 | 62 | Owen TEMPEST | 13 | Co Leeds | 40.40 |
| 9 | 60 | William DUNN | 13 | Co Leeds | 40.70 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 71 | Hayden LAM | 14 | Co Leeds | 34.31 |
| 1 | 73 | Oliver STEELE | 17 | Co Leeds | 34.30 |
| 2 | 75 | Matthew JUST | 16 | Co Leeds | 33.76 |
| 3 | 77 | Gabriel SHEPHERD | 16 | Co Leeds | 33.48 |
| 4 | 79 | Ethan COWELL | 15 | Co Leeds | 32.20 |
| 5 | 78 | Connor MCCULLEN | 14 | Co Leeds | 33.20 |
| 6 | 76 | Arthur OWENS | 15 | Co Leeds | 33.50 |
| 7 | 74 | Patrick O'HARA | 14 | Co Leeds | 34.20 |
| 8 | 72 | Jacob O'DONNELL | 14 | Co Leeds | 34.30 |
| 9 | 70 | Reuben HARRISON | 14 | Co Leeds | 34.50 |