EVENT 112 Boys 14/15 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Mitchell Hunt | 15 | Shropshire | 1:14.97 |
| 2 | 3 | Freddie Symonds | 15 | Bedfordshire | 1:13.90 |
| 3 | 5 | Jamie Dark | 14 | Warwicks | 1:13.04 |
| 4 | 7 | Alexander Cohoon | 15 | Gloucs | 1:11.98 |
| 5 | 6 | Mal Staff | 15 | Norfolk | 1:12.80 |
| 6 | 4 | William Fidalgo-Hull | 15 | Cumbria | 1:13.25 |
| 7 | 2 | Sam Norton | 15 | Cornwall | 1:14.34 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 9 | Bryn Couser | 15 | Herts | 1:11.72 |
| 1 | 11 | Jacob Elliott | 15 | Worcs | 1:09.80 |
| 2 | 13 | Mathew Harris | 15 | Staffs | 1:09.62 |
| 3 | 15 | Oliver Cashin | 15 | Cambs | 1:09.40 |
| 4 | 17 | Jackson O'Rourke | 15 | Northants | 1:08.80 |
| 5 | 16 | Jamie Owen | 15 | Berks&SBucks | 1:09.02 |
| 6 | 14 | Benjamin Foster | 15 | Derbyshire | 1:09.50 |
| 7 | 12 | Louis Metselaar | 15 | Lincolnshire | 1:09.70 |
| 8 | 10 | Ethan McNeil | 15 | Wiltshire | 1:10.43 |
| 9 | 8 | Carwyn Salmon | 14 | Swim Wales W | 1:11.75 |