EVENT 409 Boys 11/13 Yrs 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Lewis Fitch | 11 | Co Leicester | DQ: 8.2 |
| 4 | 3 | Ethan Ford | 11 | Co Leicester | 3:19.24 |
| 5 | 2 | Tyler Coles | 12 | Daventry | 3:10.11 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 7 | Thomas Bruce | 12 | Boston | 3:02.48 |
| 2 | 13 | Alex Sadler | 11 | Deepings | 2:59.33 |
| 3 | 19 | Harry Benzies | 13 | Bassetlaw SS | 2:42.71 |
| 4 | 25 | Samuel Smith | 13 | Northampton | 2:33.61 |
| 5 | 22 | Oliver Silver | 12 | Nova Cent'n | 2:44.62 |
| 6 | 16 | Kieran Howard | 12 | Nova Cent'n | 2:45.61 |
| 7 | 10 | Patrick Welsh | 13 | Derventio | 2:57.01 |
| 8 | 4 | Cole Herman | 11 | Radford | 3:14.54 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Tristan Dixon-Teasdale | 13 | Nova Cent'n | 2:52.56 |
| 2 | 14 | Lewis Warner | 13 | Calv Bing | 2:49.75 |
| 3 | 20 | Thomas Dixon | 13 | Braunstone | 2:55.06 |
| 4 | 26 | Rico Bringeman | 13 | Boston | 2:32.06 |
| 5 | 23 | Sean McCann | 13 | Co Leicester | 2:38.64 |
| 6 | 17 | Luke Stevens | 12 | Leic Sharks | 2:52.57 |
| 7 | 11 | Cillan McGuinness | 13 | Bassetlaw SS | 3:01.73 |
| 8 | 5 | Stefano Fiore | 11 | Boston | 3:13.57 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Malachy Watt | 12 | Derventio | 2:56.70 |
| 2 | 15 | Jake Armstrong | 13 | Nene Valley | 2:47.02 |
| 3 | 21 | Adam Read | 13 | Nova Cent'n | 2:43.88 |
| 4 | 27 | Liam Dawson | 13 | Nova Cent'n | 2:28.52 |
| 5 | 24 | Max Shaw | 13 | Northampton | 2:35.55 |
| 6 | 18 | Thomas Gartside | 11 | Northampton | 2:47.29 |
| 7 | 12 | Noah Rai | 12 | Nova Cent'n | 2:59.83 |
| 8 | 6 | Noah Tannahill | 12 | Ripley | 2:59.37 |