EVENT 408 Open/Male 14 /Under 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 2 | Myles Best | 12 | Co Liverpool | 3:08.20 |
| 3 | 4 | Lucas Sayle | 12 | Ramsbottom | 3:03.30 |
| 4 | 6 | Thomas Owens | 12 | Leyland Barr | 3:00.44 |
| 5 | 5 | Oscar Roberts | 13 | Satellite | 3:02.40 |
| 6 | 3 | Evan Wong | 12 | Preston | 3:03.56 |
| 7 | 1 | Harry Shea | 12 | Trafford Met | 3:12.80 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | James Boyers | 13 | Wigan BEST | 2:52.80 |
| 2 | 18 | Thomas Ross | 14 | Carlisle Aq | 2:48.00 |
| 3 | 24 | Oscar Maddrell | 13 | Io Man | 2:39.60 |
| 4 | 30 | Jacob Baker | 14 | Aquabears | 2:33.00 |
| 5 | 27 | Thomas Dale | 14 | Warrington W | 2:34.60 |
| 6 | 21 | Bogdan Tonu | 14 | Bolton Metro | 2:44.40 |
| 7 | 14 | Freddie Garner | 12 | Co Liverpool | 2:49.66 |
| 8 | 7 | Daniel Rykowski | 13 | Leyland Barr | 2:59.06 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Daniel Lesti | 13 | Co Salford | 2:51.35 |
| 2 | 19 | Alex Murray | 13 | Warrington W | 2:47.90 |
| 3 | 25 | Joe Chadwick | 14 | Aquabears | 2:38.60 |
| 4 | 32 | Daniel French | 14 | Wirral Metro | 2:27.22 |
| 5 | 28 | Leo Ashcroft | 13 | Wigan BEST | 2:34.60 |
| 6 | 22 | Logan Byrne | 14 | Southport | 2:40.56 |
| 7 | 15 | Farron Bigrigg | 14 | Cockermouth | 2:49.30 |
| 8 | 8 | Jenson Roberts | 11 | Satellite | 2:58.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Alfie Butterworth | 13 | Winsford | 2:50.30 |
| 2 | 20 | Ethan Stout | 14 | Co Salford | 2:45.80 |
| 3 | 26 | Tyler Barber | 13 | Co Manch Aq | 2:37.90 |
| 4 | 33 | Ben Stephenson | 14 | Garston | 2:19.47 |
| 5 | 29 | Jasper De Glopper | 14 | Warrington W | 2:34.60 |
| 6 | 23 | Casey Costain | 14 | Wirral Metro | 2:39.90 |
| 7 | 17 | William Birchall | 14 | Satellite | 2:48.20 |
| 8 | 9 | Sebastian Boughen | 13 | Preston | 2:56.60 |