EVENT 205 Boys 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 2 | Henry PATTERSON | 9 | Co Leeds | 58.20 |
| 1 | 4 | Alfie KELLY | 9 | Carnforth | 55.00 |
| 2 | 6 | Alex BOYD | 9 | Co Leeds | 53.80 |
| 3 | 8 | Fraser GALBRAITH | 9 | Co Leeds | 53.30 |
| 4 | 10 | Tristan CARRASCO RUIZ | 10 | Trafford Met | 52.00 |
| 5 | 9 | Samuel FORD | 9 | Co Leeds | 52.80 |
| 6 | 7 | Theo SIRA | 9 | Co Leeds | 53.60 |
| 7 | 5 | George BEILBY-WOODWARD | 9 | Co Leeds | 54.20 |
| 8 | 3 | George HORTON | 13 | Carnforth | 57.50 |
| 9 | 1 | Yusef DOURANDISH | 9 | Co Leeds | 1:04.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 12 | Yin Ho Adrian CHAN | 9 | Co Leeds | 49.54 |
| 1 | 14 | Zac PHILLIPS | 9 | Co Leeds | 48.20 |
| 2 | 16 | Zachary HOGG | 10 | Co Leeds | 47.80 |
| 3 | 18 | Charlie BRADLEY | 11 | Co Leeds | 47.46 |
| 4 | 20 | Jacob DYER | 11 | Co Leeds | 47.16 |
| 5 | 19 | Daniel RAWLINGS | 10 | Co Leeds | 47.20 |
| 6 | 17 | James DEVERILL | 11 | Co Leeds | 47.80 |
| 7 | 15 | Zachary WHITTAKER | 10 | Co Leeds | 47.96 |
| 8 | 13 | Solomon COFFEY-WILLS | 10 | Co Leeds | 48.46 |
| 9 | 11 | Tyler GREEN | 9 | Co Leeds | 51.04 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 22 | Lewis LUNG | 10 | Co Leeds | 46.40 |
| 1 | 24 | George RICKETTS | 10 | Co Leeds | 46.09 |
| 2 | 26 | Liam LI | 9 | Co Leeds | 45.60 |
| 3 | 28 | Oscar CALAM | 9 | Co Leeds | 45.00 |
| 4 | 30 | Ellis HARGREAVES | 11 | Co Leeds | 43.90 |
| 5 | 29 | James BOTAN | 10 | AJ Newcastle | 44.10 |
| 6 | 27 | Ted WINGFIELD | 9 | Co Leeds | 45.10 |
| 7 | 25 | Jacob LILL | 11 | Co Leeds | 45.64 |
| 8 | 23 | Barney HOBBS | 10 | Co Leeds | 46.30 |
| 9 | 21 | Ashton BARRACLOUGH | 12 | Spenborough | 46.75 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 32 | Thomas HORNE | 12 | Co Leeds | 42.00 |
| 1 | 34 | Oliver MASKELL | 10 | Co Leeds | 41.73 |
| 2 | 36 | Lucas MAKEPEACE | 13 | Spenborough | 41.10 |
| 3 | 38 | Hudson SMITH | 12 | Co Leeds | 40.71 |
| 4 | 40 | Hogan LAM | 11 | Co Leeds | 40.40 |
| 5 | 39 | Jeffrey LANGE | 12 | Co Leeds | 40.60 |
| 6 | 37 | Matthew OGBUAGU | 11 | Co Leeds | 40.92 |
| 7 | 35 | Tomas BICKERS | 11 | Co Leeds | 41.40 |
| 8 | 33 | Jacob JONES | 11 | Co Leeds | 41.80 |
| 9 | 31 | Samuel LI | 11 | AJ Newcastle | 43.80 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 42 | Olaf GRUDOWSKI | 11 | Co Leeds | 40.04 |
| 1 | 44 | Leo LI | 11 | Co Leeds | 39.30 |
| 2 | 46 | Alexander WATSON | 12 | AJ Newcastle | 38.80 |
| 3 | 48 | Oliver BARKER | 10 | Co Leeds | 38.42 |
| 4 | 50 | Oliver BARRETT | 12 | Co Leeds | 38.20 |
| 5 | 49 | Demilade AYEMOWA | 13 | Co Leeds | 38.27 |
| 6 | 47 | Joshua MCMILLAN | 12 | Co Leeds | 38.73 |
| 7 | 45 | Noah DARNELL | 12 | Co Leeds | 39.16 |
| 8 | 43 | Oliver ATHA | 11 | Co Leeds | 39.70 |
| 9 | 41 | Benjamin CLARK | 11 | Co Leeds | 40.30 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 52 | Tyler RAVEN | 10 | Co Leeds | 37.75 |
| 1 | 54 | Robson HART | 10 | Co Leeds | 36.43 |
| 2 | 56 | William DUNN | 12 | Co Leeds | 35.60 |
| 3 | 58 | Oscar HUSSEY | 11 | Co Leeds | 35.45 |
| 4 | 60 | Charlie HORNE | 14 | Co Leeds | 35.12 |
| 5 | 59 | Sebastian HUNTER | 13 | Co Leeds | 35.36 |
| 6 | 57 | Jack MITCHELL | 12 | Spenborough | 35.55 |
| 7 | 55 | Alfie CRAGGS | 12 | Co Leeds | 36.35 |
| 8 | 53 | Cameron VERTH | 15 | AJ Newcastle | 37.10 |
| 9 | 51 | Harrison WAKE | 11 | Co Leeds | 38.00 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 62 | Felipe BOADA | 16 | AJ Newcastle | 34.30 |
| 1 | 64 | Dhilan DALY | 14 | Spenborough | 33.20 |
| 2 | 66 | William LANCASHIRE | 12 | Co Leeds | 33.08 |
| 3 | 68 | Benjamin BUSH | 17 | Spenborough | 33.00 |
| 4 | 70 | George CARRY | 15 | Co Leeds | 31.02 |
| 5 | 69 | Alex MCHUGH | 14 | Carnforth | 32.60 |
| 6 | 67 | Ryan BROOKSBANK | 14 | Spenborough | 33.00 |
| 7 | 65 | Thomas SPICER | 16 | Carnforth | 33.20 |
| 8 | 63 | Harvey BURNS | 15 | Carnforth | 33.40 |
| 9 | 61 | Matei STOICESCU | 13 | Co Leeds | 34.55 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 72 | Luke DYER | 15 | Co Leeds | 30.69 |
| 1 | 74 | Callum RAVEN | 14 | Co Leeds | 29.90 |
| 2 | 76 | Oliver STEELE | 15 | Co Leeds | 29.40 |
| 3 | 78 | George THOMSON | 18 | AJ Newcastle | 29.00 |
| 4 | 80 | Luke HORTON | 16 | Carnforth | 28.70 |
| 5 | 79 | Will SKIGGS | 15 | Bradford | 28.84 |
| 6 | 77 | Ethan BLAND | 18 | Carnforth | 29.40 |
| 7 | 75 | Tin Ho CHEUNG | 15 | Co Leeds | 29.80 |
| 8 | 73 | Ethan COWELL | 14 | Co Leeds | 30.09 |
| 9 | 71 | Luke BARTON | 17 | AJ Newcastle | 30.70 |