EVENT 409 Boys 11/13 Yrs 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 2 | Declan Luff | 11 | Leic Sharks | 3:05.84 |
| 4 | 4 | Sammy Rahimzadeh | 12 | Nova Cent'n | 3:04.24 |
| 5 | 3 | Jake Armstrong | 12 | Nene Valley | 3:05.17 |
| 6 | 1 | Oliver Silver | 11 | Nova Cent'n | 3:08.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Thomas Polley | 11 | Nova Cent'n | 2:57.00 |
| 2 | 14 | Nat Miller-Walters | 13 | Co Derby | 2:50.90 |
| 3 | 20 | Jack Robinson | 12 | Boston | 2:43.24 |
| 4 | 26 | Brandon Hotham | 13 | Chesterfield | 2:33.66 |
| 5 | 23 | Younis Peach | 13 | Northampton | 2:38.50 |
| 6 | 17 | Samual Nicholls | 13 | Chesterfield | 2:46.20 |
| 7 | 11 | Lewis Rounce | 13 | Nova Cent'n | 2:54.10 |
| 8 | 5 | Lewis Warner | 12 | Nova Cent'n | 3:02.34 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Max Shaw | 12 | Northampton | 2:56.79 |
| 2 | 15 | Harry Cardell | 13 | Deepings | 2:49.07 |
| 3 | 21 | Joseph Vickers | 12 | Boston | 2:42.35 |
| 4 | 27 | Jake Lee | 13 | Retford | 2:33.50 |
| 5 | 24 | Razvan Grumazescu | 13 | Northampton | 2:38.10 |
| 6 | 18 | Billy Reed | 12 | Grantham | 2:43.54 |
| 7 | 12 | Thomas Currie | 13 | Northampton | 2:51.99 |
| 8 | 6 | Thomas Daft | 12 | Coalville | 3:02.21 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | Callum Lees | 13 | Grantham | 2:56.16 |
| 2 | 16 | James Dobney | 13 | Grantham | 2:48.44 |
| 3 | 22 | Rico Bringeman | 12 | Boston | 2:40.57 |
| 4 | 28 | Nathan Allen | 13 | Co Leicester | 2:31.03 |
| 5 | 25 | Liam Dawson | 12 | Derventio | 2:36.40 |
| 6 | 19 | Callum Kettlewell | 13 | Retford | 2:43.24 |
| 7 | 13 | Adam Read | 12 | Nova Cent'n | 2:50.93 |
| 8 | 7 | Abraham Peace | 13 | Hinckley | 2:57.22 |