EVENT 117 Boys 16/17 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Riann Steyn | 16 | Surrey | 59.92 |
| 1 | 4 | Joel Knight | 17 | Somerset | 58.87 |
| 2 | 6 | Courtney Dos Santos | 17 | Ox & N Bucks | 58.39 |
| 3 | 8 | Kieran McGinley | 16 | Notts | 58.30 |
| 4 | 10 | John Slater | 16 | Hampshire | 57.70 |
| 5 | 9 | Brendan Spencer | 17 | Cheshire | 58.00 |
| 6 | 7 | Callum Nortje | 16 | Scot North | 58.38 |
| 7 | 5 | Matthew Birks | 17 | Staffs | 58.61 |
| 8 | 3 | Casey Harte | 16 | Kent | 59.40 |
| 9 | 1 | Charlie Dentith | 17 | Essex | 1:00.09 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Jay Lelliot | 17 | Dorset | 57.25 |
| 1 | 14 | Luke Buxton | 17 | N & Durham | 56.70 |
| 2 | 16 | Jordan Hughes | 16 | Scot West | 56.18 |
| 3 | 18 | Oliver Leonard | 17 | Berks&SBucks | 55.86 |
| 4 | 20 | Matthew Johnson | 17 | Yorkshire | 55.00 |
| 5 | 19 | Cameron Austin | 17 | Lancashire | 55.20 |
| 6 | 17 | Jake Lloyd | 17 | Herts | 56.08 |
| 7 | 15 | Harry Jenner | 17 | Middlesex | 56.21 |
| 8 | 13 | Kevin Wallbank | 16 | Derbyshire | 56.70 |
| 9 | 11 | Craig Bowman | 16 | Scot East | 57.51 |