EVENT 102 Boys 16/17 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Scott Provan | 17 | Lancashire | 54.13 |
| 1 | 4 | Greg Fairbairn | 16 | Scot West | 53.71 |
| 2 | 6 | Nathaniel Rodrigues | 16 | Kent | 53.54 |
| 3 | 8 | Joshua Smith | 17 | Essex | 53.38 |
| 4 | 10 | Sonny Kennedy | 17 | Scot East | 53.26 |
| 5 | 9 | Ethan Taylor | 17 | Swim Wales W | 53.30 |
| 6 | 7 | Miles Drabwell | 17 | Ox & N Bucks | 53.47 |
| 7 | 5 | Sam Perkins | 16 | Suffolk | 53.55 |
| 8 | 3 | Benjamin Samuel | 17 | Dorset | 54.00 |
| 9 | 1 | Louis Mitchell | 17 | Northants | 54.79 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | James McClenn | 16 | Berks&SBucks | 52.86 |
| 1 | 14 | William Bell | 16 | Leics | 52.22 |
| 2 | 16 | Will Morris | 16 | N & Durham | 51.82 |
| 3 | 18 | Kameron Clarke | 16 | Swim Wales E | 51.70 |
| 4 | 20 | Sam Dailley | 17 | Devon | 51.22 |
| 5 | 19 | Huw Williams | 16 | Somerset | 51.68 |
| 6 | 17 | Anton Akopian | 17 | Middlesex | 51.72 |
| 7 | 15 | Matthew Ferguson | 17 | Surrey | 52.16 |
| 8 | 13 | Jonathan Milner | 17 | Yorkshire | 52.63 |
| 9 | 11 | Jake Moxham | 16 | Cambs | 53.01 |