EVENT 211 Open/Male 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 3 | 1 | Daniil OBUHOV | 13 | Braunstone | 3:51.21 |
| 4 | 3 | Louis CURRIE | 14 | Coalville | 3:21.26 |
| 5 | 2 | Vadim OBUHOV | 15 | Braunstone | 3:47.41 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 5 | Andrei OBUHOV | 11 | Braunstone | 3:11.49 |
| 3 | 7 | Samuel HICKS | 11 | Hinckley | 3:03.23 |
| 4 | 9 | Jayman LAU | 10 | Loughborough | 2:50.26 |
| 5 | 8 | Oliver GOODWIN | 10 | Coalville | 2:51.10 |
| 6 | 6 | Stefan BARANOWSKI | 12 | Leic Sharks | 3:05.27 |
| 7 | 4 | Joshua HALES | 11 | Hinckley | 3:18.08 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 11 | Mason TRAYNOR | 13 | Coalville | 2:39.73 |
| 2 | 13 | Gabriel CORBETT | 10 | Leic Peng | 2:34.75 |
| 3 | 15 | Emerson-Blu GUPWELL | 10 | Braunstone | 2:28.37 |
| 4 | 17 | George HOWARD | 12 | Braunstone | 2:27.89 |
| 5 | 16 | Maxwell BURDETT | 12 | Leic Peng | 2:28.09 |
| 6 | 14 | George COLEMAN | 10 | Coalville | 2:33.45 |
| 7 | 12 | William KING | 08 | Hinckley | 2:37.92 |
| 8 | 10 | Peter NIGHTINGALE | 10 | Coalville | 2:43.81 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 20 | Harry LUCAS | 10 | Braunstone | 2:21.01 |
| 2 | 23 | Daniel HARRIS | 07 | Coalville | 2:16.29 |
| 3 | 25 | James LAKE | 07 | Loughborough | 2:11.61 |
| 4 | 27 | Thomas SUMNER | 05 | Hinckley | 2:09.06 |
| 5 | 26 | Lewis FITCH | 07 | Braunstone | 2:11.20 |
| 6 | 24 | Harrison BYWATER | 07 | Loughborough | 2:15.71 |
| 7 | 21 | Freddie BURDETT | 10 | Leic Peng | 2:18.15 |
| 8 | 18 | Jacson CRABB | 11 | Leic Sharks | 2:27.30 |