EVENT 306 Boys 10/12 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Joshua Vance | 10 | Northampton | 2:58.80 |
| 4 | 2 | Brandon Hotham | 10 | Co Derby | 1:24.12 |
| 5 | 3 | Ben Bekavac | 11 | Co Leicester | 1:23.60 |
| 6 | 4 | Alexander Soler-Canto | 11 | Co Leicester | 1:23.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Callum Hodges | 11 | Bilston | 1:23.58 |
| 2 | 6 | Harrison Barber | 11 | Biddulph | 1:23.53 |
| 3 | 7 | Sandy Jarvis | 11 | Co Leicester | 1:23.40 |
| 4 | 8 | Daniel Brown | 10 | Dronfield | 1:23.40 |
| 5 | 9 | Bailey Ward | 11 | Nova Cent'n | 1:23.05 |
| 6 | 10 | James Watson | 11 | Co Leicester | 1:22.61 |
| 7 | 11 | Luca De Zilva | 11 | Co Leicester | 1:22.07 |
| 8 | 12 | Zak Westwood | 10 | Bilston | 1:21.38 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 13 | Matthew Broughton | 11 | Co Lincoln P | 1:20.51 |
| 2 | 14 | Isaac Reed | 11 | Boston | 1:20.33 |
| 3 | 15 | Dominic Bools | 10 | Nova Cent'n | 1:20.08 |
| 4 | 16 | Joseph Kingsland | 11 | Nova Cent'n | 1:19.94 |
| 5 | 17 | Kareem Eldegwy | 11 | Ellesmere Co | 1:19.80 |
| 6 | 18 | Thomas Beamer | 11 | Team Mercia | 1:19.69 |
| 7 | 19 | Benjamin Smith | 11 | Boldmere | 1:19.50 |
| 8 | 20 | Luke Warren | 11 | Redditch | 1:19.34 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 21 | Benjamin Holland | 10 | Ellesmere Co | 1:19.20 |
| 2 | 22 | Ronnie Harvey | 11 | Co Coventry | 1:18.98 |
| 3 | 23 | Bradley Francis | 11 | Nova Cent'n | 1:18.90 |
| 4 | 24 | Alexander Rosser-Barne | 10 | Co Coventry | 1:18.85 |
| 5 | 25 | Kai Bacon | 11 | Co Leicester | 1:18.82 |
| 6 | 26 | William Pettitt | 11 | Boston | 1:18.43 |
| 7 | 27 | Joshua Leeson | 11 | Sutton | 1:17.97 |
| 8 | 28 | Kazuki Oi | 11 | Wrekin Coll | 1:17.45 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 29 | William Gearey | 11 | Pershore | 1:17.29 |
| 2 | 30 | Jimi Knowles | 10 | Nova Cent'n | 1:16.64 |
| 3 | 31 | Jack Gartside | 11 | Northampton | 1:16.40 |
| 4 | 32 | Edward Mildred | 11 | Northampton | 1:15.41 |
| 5 | 33 | Brian Bernhardt | 11 | Co Coventry | 1:14.53 |
| 6 | 34 | Philip Merriman | 12 | Northampton | 1:14.30 |
| 7 | 35 | Samuel Templeton | 12 | Nova Cent'n | 1:14.10 |
| 8 | 36 | Simon Sweatman | 12 | Pershore | 1:14.06 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 37 | Lewis McGarry | 12 | Boston | 1:13.99 |
| 2 | 38 | Jack Cox | 12 | Bilston | 1:13.95 |
| 3 | 39 | Daniel Johnson | 12 | Wrekin Coll | 1:13.72 |
| 4 | 40 | Adam Metcalf | 12 | Ellesmere Co | 1:13.23 |
| 5 | 41 | William Bell | 12 | Co Leicester | 1:13.02 |
| 6 | 42 | William Pettit | 12 | Northampton | 1:12.70 |
| 7 | 43 | William Hawkes | 12 | Grantham | 1:12.63 |
| 8 | 44 | Oliver Lillycrop | 12 | Co Birm'ham | 1:12.59 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 46 | Jim Fergie | 12 | Nova Cent'n | 1:12.00 |
| 2 | 48 | Jack Dolly | 12 | Co Coventry | 1:10.50 |
| 3 | 50 | Leo Karski | 12 | Boldmere | 1:09.70 |
| 4 | 52 | Charlie Hutchison | 12 | Ellesmere Co | 1:04.40 |
| 5 | 51 | Mario Coman | 12 | Newcastle St | 1:07.98 |
| 6 | 49 | William Barber | 12 | Lincoln Vulc | 1:10.43 |
| 7 | 47 | Stephen Taylor | 12 | Northampton | 1:11.10 |
| 8 | 45 | Matthew Shipley | 12 | Nova Cent'n | 1:12.30 |