EVENT 102 Boys 16/17 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Michael Doyle | 17 | Shropshire | 57.08 |
| 2 | 3 | Jack Carey | 16 | Warwicks | 56.19 |
| 3 | 5 | Sidney Fenwick | 17 | Wiltshire | 54.48 |
| 4 | 7 | James Woodward | 17 | Herts | 53.63 |
| 5 | 6 | William Swain | 17 | Lincolnshire | 54.00 |
| 6 | 4 | Ben Cope | 16 | Staffs | 55.11 |
| 7 | 2 | Luke Bryan | 17 | Norfolk | 56.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 9 | Nick Laws | 17 | Cornwall | 53.47 |
| 1 | 11 | Kye Adams | 17 | Gloucs | 53.17 |
| 2 | 13 | Jamie Scholes | 17 | Cambs | 52.60 |
| 3 | 15 | Sam Phippen | 17 | Berks&SBucks | 51.38 |
| 4 | 17 | Danny Savage | 17 | Northants | 49.30 |
| 5 | 16 | Harry Constantine | 17 | Bedfordshire | 50.96 |
| 6 | 14 | William Foster | 17 | Derbyshire | 51.52 |
| 7 | 12 | Connor Joyce | 17 | Cumbria | 53.11 |
| 8 | 10 | Samuel Osborne | 16 | Worcs | 53.20 |
| 9 | 8 | Jack Llewellyn | 16 | Swim Wales W | 53.56 |