EVENT 108 Boys 16/17 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Conner Spinks | 16 | Lincolnshire | 1:04.63 |
| 1 | 3 | Oliver Jarvis | 16 | Cornwall | 1:02.71 |
| 2 | 5 | Hayden Griffiths | 16 | Shropshire | 1:01.54 |
| 3 | 7 | George Firth | 17 | Gloucs | 1:01.29 |
| 4 | 9 | Arron Law | 16 | Scot North | 1:00.73 |
| 5 | 8 | Steve Wilson | 16 | Warwicks | 1:00.97 |
| 6 | 6 | Mathew Sambrook | 17 | Wiltshire | 1:01.53 |
| 7 | 4 | Mathew Paul | 17 | Northants | 1:02.63 |
| 8 | 2 | Arran Todd | 16 | Scot Midland | 1:03.54 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Cianan Mann | 17 | Dorset | 1:00.23 |
| 1 | 13 | Matthew Brigham | 17 | Cambs | 58.83 |
| 2 | 15 | Barton Townley | 17 | Essex | 58.58 |
| 3 | 17 | Regan Lloyd | 16 | Suffolk | 58.20 |
| 4 | 19 | Jack Warren Ballard | 17 | Leics | 56.51 |
| 5 | 18 | Luke Greenbank | 16 | Cumbria | 57.27 |
| 6 | 16 | Jack Utting | 16 | Norfolk | 58.47 |
| 7 | 14 | Oliver Maltby | 16 | Bedfordshire | 58.62 |
| 8 | 12 | Adam-James Lamb | 16 | Staffs | 59.57 |
| 9 | 10 | Louis Gautier | 16 | Devon | 1:00.34 |