EVENT 207 Open/Male 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Andrei Obuhov | 13 | Braunstone | 3:26.99 |
| 3 | 4 | George Howard | 12 | Co Leicester | 3:09.30 |
| 4 | 6 | Riley Woodward | 15 | Northampton | 2:44.50 |
| 5 | 5 | Thomas Pope | 13 | Long Eaton | 3:00.20 |
| 6 | 3 | James Oscroft | 11 | Northampton | 3:12.73 |
| 7 | 1 | Noah Staton | 11 | March | 4:00.65 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | George Brazier | 15 | Northampton | 2:40.00 |
| 2 | 10 | Jude Staton | 16 | March | 2:36.31 |
| 3 | 12 | David Bucur | 16 | Worksop | 2:32.59 |
| 4 | 14 | James Frost | 17 | Newport | 2:23.58 |
| 5 | 13 | William Oxley | 14 | Co Leicester | 2:31.50 |
| 6 | 11 | Freddie Burdett | 14 | Co Leicester | 2:33.40 |
| 7 | 9 | Emerson-Blu Gupwell | 14 | Co Leicester | 2:39.30 |
| 8 | 7 | Kais Alhijazi | 13 | Co Leicester | 2:42.40 |