EVENT 222 Boys 10/12 Yrs 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Isaac Reed | 10 | Boston | 3:02.87 |
| 4 | 2 | Sandy Jarvis | 10 | Co Leicester | 3:04.96 |
| 5 | 3 | William Pettitt | 10 | Boston | 3:02.19 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 4 | Lewis McGarry | 11 | Boston | 3:04.44 |
| 3 | 5 | William Pettit | 11 | Northampton | 3:08.90 |
| 4 | 6 | Jim Fergie | 11 | Nova Cent'n | 2:56.82 |
| 5 | 7 | Daniel Johnson | 11 | Wrekin Coll | 2:56.91 |
| 6 | 8 | Jack Dolly | 11 | Co Coventry | 2:50.02 |
| 7 | 9 | Joshua Harris | 11 | Nova Cent'n | 2:57.17 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 10 | William Barber | 11 | Lincoln Vulc | 2:55.51 |
| 2 | 11 | Oliver Lillycrop | 11 | Co Birm'ham | 2:49.97 |
| 3 | 12 | William Walmsley | 12 | Gainsborough | 2:45.69 |
| 4 | 13 | Jamie Adshead | 12 | Cosacss | 2:43.46 |
| 5 | 14 | Leo Karski | 11 | Co Birm'ham | 2:43.50 |
| 6 | 15 | Thomas Ryan | 12 | Co Leicester | 2:39.96 |
| 7 | 16 | Samuel Osborne | 12 | Co Birm'ham | 2:38.19 |
| 8 | 17 | Joshua Munroe | 12 | Co Leicester | 2:41.04 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Joel Weston | 12 | Co Leicester | 2:33.45 |
| 2 | 19 | Matthew Richmond | 12 | Northampton | 2:50.19 |
| 3 | 20 | Thomas Smith | 12 | Co Leicester | 2:40.77 |
| 4 | 21 | Ryan Andrews | 12 | Co Birm'ham | 2:37.77 |
| 5 | 22 | Luca Formosa | 12 | Nova Cent'n | 2:35.03 |
| 6 | 23 | Stephen Taylor | 11 | Northampton | 2:38.19 |
| 7 | 24 | Hector Pardoe | 12 | Ellesmere Co | 2:34.85 |
| 8 | 25 | Daniel Savage | 12 | Northampton | 2:30.33 |