EVENT 102 Boys Open 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 2 | Reece WEBBER | 9 | Morley 8 | 1:32.96 |
| 3 | 4 | Oliver BOWDEN | 10 | John Smeaton | 1:14.30 |
| 4 | 6 | William WILSON | 8 | Scott Hall 8 | 1:09.16 |
| 5 | 5 | Jamie ANDREASEN | 8 | Morley 8 | 1:12.17 |
| 6 | 3 | Lewis WIDDOWSON | 8 | Morley 8 | 1:17.10 |
| 7 | 1 | Jack WILBY | 10 | Morley 8 | 1:41.78 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 8 | Ben ETHEVE | 10 | Wetherby 8 | 1:06.70 |
| 1 | 10 | Shaunak KHANVILKAR | 9 | Morley 8 | 1:05.41 |
| 2 | 12 | Joseph FRIEND | 10 | Scott Hall 8 | 1:04.51 |
| 3 | 14 | Antoni WEGRZYNOWSKI | 10 | John Smeaton | 1:03.56 |
| 4 | 16 | Arthur OWENS | 9 | John Smeaton | 1:01.39 |
| 5 | 15 | Flint HARLEY | 10 | Scott Hall 8 | 1:02.15 |
| 6 | 13 | Oliver HART | 9 | Airborough 8 | 1:04.00 |
| 7 | 11 | Ailbe MCNULTY | 9 | Morley 8 | 1:05.04 |
| 8 | 9 | Harley HENDERSON | 8 | John Smeaton | 1:06.13 |
| 9 | 7 | Jack BASTIAN | 9 | Kirkstall 8 | 1:09.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 18 | Elisha YANSANEH | 9 | Kirkstall 8 | 58.90 |
| 1 | 20 | Jacob BOGGON | 10 | John Smeaton | 58.43 |
| 2 | 22 | Aaron JACKSON | 12 | Scott Hall 8 | 57.76 |
| 3 | 24 | Jamie ROBERTS | 10 | Co Leeds | 57.45 |
| 4 | 26 | George BELLWOOD | 10 | Co Leeds | 56.57 |
| 5 | 25 | Daniel GREEN | 10 | Wetherby 8 | 57.21 |
| 6 | 23 | Callum BROOK | 9 | Co Leeds | 57.64 |
| 7 | 21 | Jacob FAWCETT | 10 | Airborough 8 | 58.00 |
| 8 | 19 | Oliver MOONEY | 9 | Co Leeds | 58.58 |
| 9 | 17 | Freddie DUMPHY | 10 | Scott Hall 8 | 59.85 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 28 | Alexander THACKER | 8 | Co Leeds | 56.18 |
| 1 | 30 | Oliver BROOKE | 9 | Co Leeds | 55.00 |
| 2 | 32 | Jake PHELAN | 9 | Co Leeds | 54.75 |
| 3 | 34 | Jack BOOTH | 11 | Pudsey 8 | 53.50 |
| 4 | 36 | Amos PEARSE DE WOLF | 9 | Co Leeds | 52.34 |
| 5 | 35 | Callum RAVEN | 10 | Co Leeds | 52.79 |
| 6 | 33 | Oliver POW | 9 | Morley 8 | 54.05 |
| 7 | 31 | Archie BROUGHTON | 10 | Co Leeds | 55.00 |
| 8 | 29 | Harry LEWIS | 10 | Wetherby 8 | 55.25 |
| 9 | 27 | Jacob O'DONNELL | 8 | Co Leeds | 56.35 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 38 | Oliver JOHNSTONE | 11 | Co Leeds | 51.58 |
| 1 | 40 | Oliver FAWCETT | 12 | Airborough 8 | 51.18 |
| 2 | 42 | Owen CARMODY | 8 | Co Leeds | 50.21 |
| 3 | 44 | Aarush SHINDE | 11 | Co Leeds | 49.50 |
| 4 | 46 | Maxwell FORD | 10 | Co Leeds | 47.10 |
| 5 | 45 | Joseph HALL | 10 | Co Leeds | 47.75 |
| 6 | 43 | Daniel RUTTER | 10 | Co Leeds | 49.82 |
| 7 | 41 | Lucas PIERCY | 10 | Co Leeds | 51.05 |
| 8 | 39 | Ewan KITE | 9 | Pudsey 8 | 51.47 |
| 9 | 37 | Abdullah MOKHLISSE | 9 | Co Leeds | 52.00 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 48 | Zachary CROWTHER | 10 | Co Leeds | 46.64 |
| 1 | 50 | Oscar HOBSON | 11 | Pudsey 8 | 45.49 |
| 2 | 52 | Asher MAXFIELD | 10 | Co Leeds | 44.60 |
| 3 | 54 | Oliver STEELE | 11 | Co Leeds | 42.92 |
| 4 | 56 | Luke DYER | 11 | Co Leeds | 41.77 |
| 5 | 55 | Matthew JAMES | 10 | Co Leeds | 42.03 |
| 6 | 53 | Oliver THACKER | 11 | Co Leeds | 43.08 |
| 7 | 51 | Isaac FOY | 10 | Co Leeds | 45.26 |
| 8 | 49 | Edward COLLINS | 10 | Co Leeds | 45.52 |
| 9 | 47 | George CARRY | 10 | Co Leeds | 46.89 |