EVENT 102 Boys Open 50m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 3 | 1 | William LANCASHIRE | 10 | Kirkstall 8 | |
| 4 | 2 | Matei STOICESCU | 10 | Kirkstall 8 | |
| 5 | 3 | Harry BISSETT | 08 | Wetherby 8 | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 4 | Seth JONES | 10 | John Smeaton | 1:33.02 |
| 1 | 5 | Reuben SMITH | 09 | Scott Hall 8 | 1:23.35 |
| 2 | 6 | Shae BRYANT | 10 | John Smeaton | 1:20.36 |
| 3 | 7 | Zurie-Marie WOOD | 09 | Pudsey 8 | 1:18.00 |
| 4 | 8 | Jacob JACKSON | 07 | Morley 8 | 1:16.03 |
| 5 | 9 | Harresyn DELANY-BLENKI | 07 | Morley 8 | 1:15.91 |
| 6 | 10 | Reece WEBBER | 09 | Co Leeds | 1:15.14 |
| 7 | 11 | Louis HERSELMAN | 10 | John Smeaton | 1:14.59 |
| 8 | 12 | Ben ETHEVE | 08 | Wetherby 8 | 1:13.53 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 13 | Patrick O'HARA | 10 | Scott Hall 8 | 1:13.26 |
| 1 | 14 | Jackson CLARKE | 10 | Morley 8 | 1:12.41 |
| 2 | 15 | James ANDREASEN | 10 | Co Leeds | 1:10.33 |
| 3 | 16 | Joshua CRAVEN | 09 | Airborough 8 | 1:09.58 |
| 4 | 17 | Thomas HERSELMAN | 09 | John Smeaton | 1:09.23 |
| 5 | 18 | Archie BROWN | 09 | Co Leeds | 1:08.30 |
| 6 | 19 | Luke PERMANI | 08 | Scott Hall 8 | 1:08.19 |
| 7 | 20 | Tom HEY | 09 | Co Leeds | 1:04.00 |
| 8 | 21 | Lewis WIDDOWSON | 10 | Morley 8 | 1:03.51 |
| 9 | 22 | Oliver BOWDEN | 08 | John Smeaton | 1:02.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 23 | Arthur OWENS | 09 | John Smeaton | 1:01.17 |
| 1 | 24 | Oliver HART | 09 | Airborough 8 | 1:01.00 |
| 2 | 25 | Charles HARRISON | 09 | Airborough 8 | 1:00.69 |
| 3 | 26 | Oliver TAYLOR | 10 | Co Leeds | 1:00.04 |
| 4 | 27 | Freddie DUMPHY | 08 | Scott Hall 8 | 59.85 |
| 5 | 28 | Ben MORRIS | 09 | Pudsey 8 | 59.00 |
| 6 | 29 | Finnley STEVENS | 10 | Co Leeds | 59.00 |
| 7 | 30 | Freddie HOPKINS | 09 | Scott Hall 8 | 58.15 |
| 8 | 31 | Samuel HILTON | 09 | Co Leeds | 58.00 |
| 9 | 32 | Charlie HORNE | 09 | Co Leeds | 57.87 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 33 | Jack BASTIAN | 09 | Co Leeds | 57.25 |
| 1 | 34 | Flint HARLEY | 08 | Scott Hall 8 | 56.21 |
| 2 | 35 | Samuel HILL | 09 | Co Leeds | 56.10 |
| 3 | 36 | Aarya GUNA | 07 | Scott Hall 8 | 55.83 |
| 4 | 37 | Joseph FRIEND | 08 | Scott Hall 8 | 54.99 |
| 5 | 38 | Jacob FAWCETT | 08 | Airborough 8 | 54.54 |
| 6 | 39 | William WILSON | 10 | Co Leeds | 54.29 |
| 7 | 40 | Yuvraj UBHI | 10 | Co Leeds | 54.00 |
| 8 | 41 | George BELLWOOD | 08 | Co Leeds | 53.94 |
| 9 | 42 | Alexander THACKER | 10 | Co Leeds | 53.40 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 43 | Jake PHELAN | 09 | Co Leeds | 52.80 |
| 1 | 44 | Jacob BOGGON | 08 | Co Leeds | 52.36 |
| 2 | 45 | Oliver MOONEY | 09 | Co Leeds | 51.82 |
| 3 | 46 | Oliver JOHNSTONE | 07 | Co Leeds | 51.58 |
| 4 | 47 | Elisha YANSANEH | 09 | Kirkstall 8 | 51.40 |
| 5 | 48 | Callum BROOK | 09 | Co Leeds | 51.31 |
| 6 | 49 | Shaunak KHANVILKAR | 09 | Co Leeds | 51.09 |
| 7 | 50 | Oliver BROOKE | 09 | Co Leeds | 51.08 |
| 8 | 51 | Daniel GREEN | 08 | Wetherby 8 | 50.31 |
| 9 | 52 | Euan KITE | 09 | Pudsey 8 | 49.46 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 54 | Lucas PIERCY | 08 | Co Leeds | 48.44 |
| 1 | 56 | Archie BROUGHTON | 08 | Co Leeds | 47.89 |
| 2 | 58 | Aarush SHINDE | 07 | Co Leeds | 47.65 |
| 3 | 60 | Callum RAVEN | 08 | Co Leeds | 46.71 |
| 4 | 62 | Zach CROWTHER | 08 | Co Leeds | 41.76 |
| 5 | 61 | George CARRY | 08 | Co Leeds | 45.80 |
| 6 | 59 | Owen CARMODY | 10 | Co Leeds | 47.42 |
| 7 | 57 | Daniel RUTTER | 08 | Co Leeds | 47.80 |
| 8 | 55 | Jacob O'DONNELL | 10 | Co Leeds | 48.36 |
| 9 | 53 | George HARRISON | 07 | Airborough 8 | 49.00 |