EVENT 106 Boys 14/15 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Jamie Mackinnon | 15 | Scot North | 1:06.57 |
| 1 | 4 | Edward Martin | 14 | Derbyshire | 1:02.00 |
| 2 | 6 | James Brindley | 15 | Berks&SBucks | 1:01.74 |
| 3 | 8 | Ryan Brown | 14 | Scot East | 1:01.31 |
| 4 | 10 | Ashley Hogg | 14 | Cheshire | 1:00.97 |
| 5 | 9 | Oliver Lines | 14 | Ox & N Bucks | 1:01.20 |
| 6 | 7 | Thomas Sinclair | 14 | Somerset | 1:01.32 |
| 7 | 5 | James Row | 15 | N & Durham | 1:01.80 |
| 8 | 3 | Aidan Robinson | 15 | Essex | 1:02.22 |
| 9 | 1 | Andrew Botros | 14 | Dorset | 1:06.91 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Adam Milne | 15 | Hampshire | 59.77 |
| 1 | 14 | Nico Cambell | 15 | Herts | 59.10 |
| 2 | 16 | Leon Berchie | 15 | Middlesex | 58.57 |
| 3 | 18 | Duncan Scott | 15 | Scot West | 58.14 |
| 4 | 20 | Luke Gunning | 15 | Kent | 55.10 |
| 5 | 19 | Thomas Gibbs | 15 | Lancashire | 57.80 |
| 6 | 17 | Julian Chan Quee Lin | 15 | Surrey | 58.37 |
| 7 | 15 | Brandon Chan | 15 | Yorkshire | 58.70 |
| 8 | 13 | Matthew Stevenson | 14 | Staffs | 59.77 |
| 9 | 11 | Calum Murray | 15 | Notts | 1:00.80 |