EVENT 305 Open/Male 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Euan THOW | 11 | Corby | 4:46.40 |
| 3 | 3 | Maximillian BALSEVICS | 10 | Wisbech | 4:34.24 |
| 4 | 5 | Dexter SYKES | 11 | Corby | 4:17.66 |
| 5 | 4 | Adam STARSKI | 12 | Corby | 4:22.98 |
| 6 | 2 | Elijah KAVANAGH | 13 | Wisbech | 4:38.97 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Spencer CROSS | 10 | Melton M'bry | 4:10.20 |
| 2 | 9 | Noah REDWOOD-MOORE | 12 | Melton M'bry | 4:00.60 |
| 3 | 11 | Alastair CROSS | 14 | Melton M'bry | 4:00.30 |
| 4 | 13 | Hugo FLIKWEERT | 12 | Nene Valley | 3:55.81 |
| 5 | 12 | Adam CHUCHRA | 10 | Wisbech | 3:56.66 |
| 6 | 10 | Jensen STEVENS | 13 | Wisbech | 4:00.40 |
| 7 | 8 | Harley MULLER | 13 | Wisbech | 4:04.70 |
| 8 | 6 | William ROBERTS | 26 | Peterbo SPG | 4:12.87 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Zak BATES | 12 | Melton M'bry | 3:43.30 |
| 2 | 17 | Kevin SOROKIN | 14 | Wisbech | 3:42.70 |
| 3 | 19 | Theo VANDOROS | 12 | Melton M'bry | 3:40.80 |
| 4 | 21 | George BROTHERSTON | 15 | Wellingboro | 3:32.30 |
| 5 | 20 | Noah PATTERSON | 12 | Corby | 3:36.00 |
| 6 | 18 | Linards JERMAKS | 13 | Wellingboro | 3:42.30 |
| 7 | 16 | Jacob PAWLYSZYN | 11 | Wellingboro | 3:42.90 |
| 8 | 14 | Noah STATON | 12 | March | 3:46.60 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | Freddie JORDAN | 14 | Corby | 3:30.60 |
| 2 | 25 | Jesunefe ABEKE | 15 | Corby | 3:25.01 |
| 3 | 27 | Percy GREEN | 12 | Corby | 3:23.40 |
| 4 | 29 | Ollie HARTSEMA | 17 | Wellingboro | 3:09.20 |
| 5 | 28 | Harry LANGSTONE | 13 | Kettering | 3:15.00 |
| 6 | 26 | Oscar MULLER | 12 | Wisbech | 3:23.70 |
| 7 | 24 | Gregory CROSS | 12 | Melton M'bry | 3:27.60 |
| 8 | 22 | Dylan HAYLOCK | 11 | March | 3:30.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 31 | Daniel MUSTATA | 14 | Corby | 2:58.70 |
| 2 | 33 | Dylan BIELBY | 17 | Kettering | 2:58.30 |
| 3 | 35 | Yogi PATEMAN | 17 | Wellingboro | 2:54.50 |
| 4 | 37 | Mark KHAMETOV | 17 | Kettering | 2:40.00 |
| 5 | 36 | Connor RICKARD | 17 | March | 2:47.20 |
| 6 | 34 | Benjamin BAYES | 21 | Wellingboro | 2:56.30 |
| 7 | 32 | Jack ROBERTSON | 16 | Corby | 2:58.30 |
| 8 | 30 | Joshua DICKS | 16 | Rushden | 3:02.50 |