EVENT 102 Boys 16/17 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Daniel Donovan | 16 | Surrey | 53.87 |
| 1 | 4 | Bradley Evans | 16 | Derbyshire | 53.58 |
| 2 | 6 | Joseph Sadler | 16 | Notts | 52.93 |
| 3 | 8 | Lewis Moore | 17 | Suffolk | 52.57 |
| 4 | 10 | Jonathon Adam | 17 | Shropshire | 52.53 |
| 5 | 9 | Silas Mendez | 16 | Berks&SBucks | 52.54 |
| 6 | 7 | Reuben Edwards | 16 | Kent | 52.93 |
| 7 | 5 | Daniel Gencas | 16 | Essex | 53.20 |
| 8 | 3 | Zak Smith-Shelley | 17 | Lancashire | 53.75 |
| 9 | 1 | Jay Cushen | 16 | Cheshire | 54.48 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Lewis Maxwell | 16 | N & Durham | 52.21 |
| 1 | 14 | Jamie Hanss | 16 | Ox & N Bucks | 52.12 |
| 2 | 16 | Alex Rowson | 17 | Middlesex | 51.89 |
| 3 | 18 | Reid Jones | 17 | Devon | 51.39 |
| 4 | 20 | Ned Sharp | 16 | Yorkshire | 50.80 |
| 5 | 19 | Edward Mildred | 16 | Northants | 50.84 |
| 6 | 17 | Ioan Evans | 17 | Somerset | 51.64 |
| 7 | 15 | Kameron Clarke | 17 | Swim Wales E | 52.12 |
| 8 | 13 | Myles Lapsley | 16 | Scot East | 52.17 |
| 9 | 11 | Greg Fairbairn | 17 | Scot West | 52.36 |