EVENT 507 Boy 10 Yrs/Over 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Enzo Mattacola | 11 | Northampton | 4:24.12 |
| 2 | 2 | T Nedelcu-Paveliuc | 10 | Wellingboro | 4:11.96 |
| 3 | 3 | Reuben Tipping | 11 | Northampton | 4:06.78 |
| 4 | 4 | Jack Webb | 11 | Northampton | 4:05.54 |
| 5 | 5 | Jack Tindle | 10 | Northampton | 4:01.01 |
| 6 | 6 | Nikita Bals | 12 | Northampton | 4:00.10 |
| 7 | 7 | Aidan Penney | 12 | Wellingboro | 3:57.94 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Alex Bartlam | 12 | Co Leicester | 3:56.19 |
| 2 | 9 | Seth Gardner | 11 | Loughborough | 3:55.32 |
| 3 | 10 | John Graham-Brown | 10 | Leic Peng | 3:55.00 |
| 4 | 11 | Thomas Matthews | 13 | Modernian | 3:54.32 |
| 5 | 12 | Aaron Mountford | 12 | Wellingboro | 3:54.24 |
| 6 | 13 | Oliver Dovey | 12 | Market Har | 3:47.75 |
| 7 | 14 | Michal Wojcik | 13 | Northampton | 3:46.42 |
| 8 | 15 | Ryan Hejraty | 12 | Co Leicester | 3:40.06 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | James Yates | 13 | Co Leicester | 3:37.74 |
| 2 | 17 | Taylor Keen | 15 | Market Har | 3:32.38 |
| 3 | 18 | Max Johnson | 15 | Market Har | 3:31.69 |
| 4 | 19 | Edward Benbow | 13 | Leicester Ne | 3:30.11 |
| 5 | 20 | Lucas Krynauw | 13 | Wellingboro | 3:27.79 |
| 6 | 21 | Zachary Fraser | 12 | Wellingboro | 3:25.59 |
| 7 | 22 | Henry Fallan | 13 | Modernian | 3:21.02 |
| 8 | 23 | Maxwell Burdett | 10 | Leic Peng | 3:20.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 24 | Charlie Roberts | 14 | Northampton | 3:17.85 |
| 2 | 25 | Freddie Burdett | 12 | Leic Peng | 3:15.00 |
| 3 | 26 | Jacob Taylor | 13 | Northampton | 3:14.28 |
| 4 | 27 | Emerson-Blu Gupwell | 12 | Co Leicester | 3:11.72 |
| 5 | 28 | Finley O'Neill | 13 | Radford | 3:07.51 |
| 6 | 29 | Ethan Simmonds | 13 | Co Leicester | 3:04.62 |
| 7 | 30 | Edward Oscroft | 13 | Northampton | 3:01.60 |
| 8 | 31 | Jack Bignell | 14 | Northampton | 3:01.41 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 33 | Harvey Curtis | 15 | Modernian | 2:57.64 |
| 2 | 35 | Benjamin Bayes | 18 | Wellingboro | 2:55.82 |
| 3 | 37 | Loic Wrightson | 15 | Wellingboro | 2:53.06 |
| 4 | 39 | Chale Cowles | 15 | Maxwell | 2:41.42 |
| 5 | 38 | Jasper Ley-Sneyd | 16 | Loughborough | 2:48.32 |
| 6 | 36 | Jack Sharp | 17 | Leicester Ne | 2:55.47 |
| 7 | 34 | Freddie Brown | 16 | Market Har | 2:56.26 |
| 8 | 32 | Harrison Bywater | 15 | Loughborough | 3:01.03 |