EVENT 108 Boys 16/17 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Thomas Owen | 00 | Norfolk | 1:04.95 |
| 2 | 4 | Nathan Watson | 00 | Cumbria | 1:02.71 |
| 3 | 6 | Martin Schofield | 99 | Sussex | 1:01.89 |
| 4 | 8 | Dan Hill | 99 | Bedfordshire | 1:01.60 |
| 5 | 7 | Joshue Veale | 99 | Staffs | 1:01.83 |
| 6 | 5 | Andrew Wicks | 99 | Northants | 1:02.15 |
| 7 | 3 | Connor Keeler | 00 | Cornwall | 1:02.89 |
| 8 | 1 | Harrison Jones | 99 | Wiltshire | 1:05.40 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 10 | Gordon Mason | 99 | Shropshire | 59.57 |
| 2 | 12 | Hugo Lemar | 99 | Worcs | 58.83 |
| 3 | 14 | Alex Carroll | 99 | Warwicks | 58.52 |
| 4 | 16 | Benjamin Staig | 99 | Devon | 56.88 |
| 5 | 15 | Jamie Scholes | 00 | Cambs | 57.88 |
| 6 | 13 | Joe Watt | 00 | Scot West | 58.61 |
| 7 | 11 | Luke Elliott | 99 | Lincolnshire | 59.30 |
| 8 | 9 | Henry Stanbrook | 99 | Dorset | 59.90 |