EVENT 156 Men 15 Yrs/Over 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Matthew Bell | 15 | Carlisle Aq | 2:35.09 |
| 4 | 4 | Henry Sanderson | 15 | Bebington | 2:48.25 |
| 5 | 3 | Adam Cotterell | 15 | Altrincham | 2:41.62 |
| 6 | 1 | George Plant | 15 | Crewe Flyers | 3:08.68 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Max McAllister | 15 | Workington | 2:53.92 |
| 2 | 8 | Daniel Richardson | 15 | Winsford | 2:47.77 |
| 3 | 10 | Antoni Piekara | 15 | Altrincham | 2:51.06 |
| 4 | 12 | Michael Gillespie | 15 | Altrincham | 2:44.34 |
| 5 | 11 | Devon Furneaux-Knight | 15 | Co Salford | 2:33.84 |
| 6 | 9 | Jack Harmer | 15 | Satellite | 2:44.62 |
| 7 | 7 | Jacob Camden | 15 | Wigan BEST | 2:50.44 |
| 8 | 5 | Alexander Rowe | 15 | Co Manch Aq | 2:47.78 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Elliot Mitchell | 16 | Aquabears | 2:25.34 |
| 2 | 22 | Callum Mongan | 16 | Aquabears | 2:25.42 |
| 3 | 28 | Leo Taylor | 17 | Leyland Barr | DN:C . |
| 4 | 34 | Luke Critchlow | 18 | Stockport Mo | 2:14.37 |
| 5 | 31 | Christos Manoli | 21 | Co Manch Aq | 2:15.74 |
| 6 | 25 | Dylan Fung | 16 | Stockport Mo | 2:22.98 |
| 7 | 19 | Joseph Ashley | 15 | Warrington W | 2:26.53 |
| 8 | 13 | Alexander Hornby | 16 | Wigan BEST | 2:28.02 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 17 | Lewis Brodie | 15 | Stockport Mo | 2:27.00 |
| 2 | 23 | Connor Hartley | 18 | Co Salford | 2:19.48 |
| 3 | 29 | Oliver Crooks | 16 | Bolton Metro | 2:17.18 |
| 4 | 35 | James Ross | 19 | Co Salford | 2:10.68 |
| 5 | 32 | Luke Brussels | 15 | Co Manch Aq | 2:13.42 |
| 6 | 26 | Owen Whiteley | 17 | Ramsbottom | 2:16.72 |
| 7 | 20 | Samuel Stout | 16 | Co Salford | 2:28.16 |
| 8 | 14 | Benjamin Ross | 15 | Co Salford | 2:29.75 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Andrew Clavis | 16 | Prescot | 2:21.87 |
| 2 | 24 | Shea Whiteley | 17 | Ramsbottom | 2:26.62 |
| 3 | 30 | Adam Wright | 17 | Winsford | 2:17.71 |
| 4 | 36 | Davey Unwin | 17 | Stockport Mo | 2:13.18 |
| 5 | 33 | Samuel Grimes | 17 | Wigan BEST | 2:13.47 |
| 6 | 27 | Berdan Ordek | 15 | Warrington W | 2:23.60 |
| 7 | 21 | Jaeden Lim | 16 | Stretford | 2:21.88 |
| 8 | 15 | Thomas Hilton | 16 | Warrington W | 2:28.85 |