EVENT 409 Boys 11/13 Yrs 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 2 | James Dobney | 12 | Grantham | 3:05.76 |
| 2 | 4 | Jake Lee | 12 | Nova Cent'n | 3:04.21 |
| 3 | 6 | Thomas Currie | 12 | Northampton | 3:03.63 |
| 4 | 8 | Owen Harding | 12 | Nova Cent'n | 3:00.60 |
| 5 | 7 | Thomas Brompton | 12 | Co Derby | 3:00.79 |
| 6 | 5 | Samual Nicholls | 12 | Chesterfield | 3:03.71 |
| 7 | 3 | Bradley Knight | 12 | Leic Sharks | 3:04.38 |
| 8 | 1 | Callum Kettlewell | 12 | Nova Cent'n | 3:09.90 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 12 | Samuel Brookes | 12 | BelperMarlin | 2:57.71 |
| 2 | 18 | Thomas Deeley | 13 | Nova Cent'n | 2:51.70 |
| 3 | 24 | William Beasley | 13 | Co Leicester | 2:45.50 |
| 4 | 30 | Patrick Mahney | 13 | Northampton | 2:33.70 |
| 5 | 27 | Kai Bacon | 13 | Co Leicester | 2:40.02 |
| 6 | 21 | Joseph Vickers | 11 | Boston | 2:46.80 |
| 7 | 15 | Jack Robinson | 11 | Boston | 2:55.35 |
| 8 | 9 | Callum Lees | 12 | Grantham | 3:00.33 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Nat Miller-Walters | 12 | Co Derby | 2:57.14 |
| 2 | 19 | Austin Johns | 12 | Co Leicester | 2:48.20 |
| 3 | 25 | Ben Willison | 13 | Northampton | 2:44.75 |
| 4 | 31 | Jack Gartside | 13 | Northampton | 2:27.10 |
| 5 | 28 | Jimi Knowles | 13 | Nova Cent'n | 2:36.30 |
| 6 | 22 | Younis Peach | 12 | Northampton | 2:46.23 |
| 7 | 16 | Joshua Skinner | 13 | Nova Cent'n | 2:54.70 |
| 8 | 10 | Atticus Strickland | 13 | South Lincs | 2:59.97 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 14 | Billy Reed | 11 | Grantham | 2:56.32 |
| 2 | 20 | Razvan Grumazescu | 12 | Northampton | 2:47.10 |
| 3 | 26 | Adam Tilley | 13 | Co Leicester | 2:43.22 |
| 4 | 32 | Edward Mildred | 13 | Northampton | 2:16.20 |
| 5 | 29 | Joshua Vance | 13 | Northampton | 2:36.20 |
| 6 | 23 | Matthew Woodhall | 12 | Nova Cent'n | 2:46.19 |
| 7 | 17 | Rico Bringeman | 11 | Boston | 2:54.60 |
| 8 | 11 | Jevon Penny | 13 | Northampton | 2:58.56 |