EVENT 210 Boy Open 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 4 | Matthew JUST | 14 | Co Leeds | 2:29.00 |
| 1 | 10 | Alex SADLER | 15 | South Lincs | 2:25.50 |
| 2 | 16 | Dylan FUNG | 15 | Stockport Mo | 2:22.50 |
| 3 | 22 | Luke BRUSSELS | 14 | Prescot | 2:19.22 |
| 4 | 28 | Luke CRITCHLOW | 17 | Stockport Mo | 2:13.40 |
| 5 | 25 | Daniel MENZER | 19 | Bo Barnsley | 2:16.90 |
| 6 | 19 | Thomas CURRIE | 18 | Northampton | 2:19.67 |
| 7 | 13 | Owen WHITELEY | 16 | Co Manch Aq | 2:24.00 |
| 8 | 7 | Oscar GOLDSMITH | 14 | South Lincs | 2:25.80 |
| 9 | 1 | Lewis BRODIE | 14 | Stockport Mo | 2:30.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 5 | Jacob DUNN | 16 | Boldmere | 2:28.99 |
| 1 | 11 | William HICKLIN | 13 | Co Leeds | 2:25.34 |
| 2 | 17 | Henry FIRTH | 17 | Co Leeds | 2:21.59 |
| 3 | 23 | Alex KEEBLE | 18 | Leic Sharks | 2:17.23 |
| 4 | 29 | Ben GILCHRIST | 21 | RichmondDale | 2:11.20 |
| 5 | 26 | Luke STEVENS | 16 | Leic Sharks | 2:16.90 |
| 6 | 20 | Samuel SMITH | 15 | Skipton | 2:19.60 |
| 7 | 14 | Gabriel SHEPHERD | 14 | Harrogate | 2:23.35 |
| 8 | 8 | Oscar BLANCHARD | 17 | Cleethorpes | 2:25.75 |
| 9 | 2 | Louie NIGHTINGALE | 14 | Donc Dartes | 2:29.96 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 6 | Daniel KHODAVERDI | 13 | Stockport Mo | 2:26.00 |
| 1 | 12 | Oliver WHITTLESTON | 15 | Co Leeds | 2:25.06 |
| 2 | 18 | Cody INGRAM | 16 | Bo Barnsley | 2:20.90 |
| 3 | 24 | Noah SOUTHGATE | 18 | Boldmere | 2:17.20 |
| 4 | 30 | Rico BRINGEMAN | 17 | South Lincs | 2:07.20 |
| 5 | 27 | James ROSS | 18 | Co Salford | 2:16.30 |
| 6 | 21 | Jad IDRIS | 16 | Co Leeds | 2:19.59 |
| 7 | 15 | Charlie ROUNCE | 15 | Leamington | 2:22.90 |
| 8 | 9 | Shea WHITELEY | 16 | Co Manch Aq | 2:25.60 |
| 9 | 3 | Dominic SIMPSON | 16 | Nuneaton | 2:29.10 |