EVENT 112 Boys 14/15 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 1 | Shay Brent | 04 | Cornwall | 1:14.85 |
| 2 | 3 | Max Turner | 04 | Lincolnshire | 1:12.26 |
| 3 | 5 | Rhys Davidson | 04 | Bedfordshire | 1:10.36 |
| 4 | 7 | Oliver Jones | 05 | Worcs | 1:10.29 |
| 5 | 6 | Luke Flynn | 05 | SE Herts | 1:10.35 |
| 6 | 4 | Karnell Nunes-Smith | 04 | Warwicks | 1:11.91 |
| 7 | 2 | James Andrew | 04 | Wiltshire | 1:13.74 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 9 | Joe Stratton | 04 | Staffs | 1:09.71 |
| 1 | 11 | Alexander Casey | 04 | Leics | 1:08.37 |
| 2 | 13 | Olivier Vedrenne | 05 | Norfolk | 1:07.24 |
| 3 | 15 | James Quinn | 04 | Cambs | 1:06.34 |
| 4 | 17 | Oliver Kettle | 04 | Hampshire | 1:04.81 |
| 5 | 16 | Aneurin Davies | 04 | Swim Wales W | 1:06.34 |
| 6 | 14 | Elliot Woodburn | 05 | Cumbria | 1:07.16 |
| 7 | 12 | Michael Edwards | 04 | Sussex | 1:07.45 |
| 8 | 10 | Alan Szczasiuk | 04 | Dorset | 1:09.16 |
| 9 | 8 | William Cooper | 04 | Gloucs | 1:09.82 |