EVENT 112 Boys 14/15 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Benson Cowsill | 15 | Cumbria | 1:18.65 |
| 2 | 3 | Aman Thethy | 14 | Northants | 1:16.89 |
| 3 | 5 | Joshua Davidson | 14 | Sussex | 1:14.36 |
| 4 | 7 | Alfie Bisby | 15 | Lincolnshire | 1:13.83 |
| 5 | 6 | Oliver Greaves | 15 | Shropshire | 1:14.10 |
| 6 | 4 | Thomas Belt | 14 | Cornwall | 1:16.85 |
| 7 | 2 | Oscar Sherwani | 14 | Bedfordshire | 1:17.59 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 0 | 9 | Judah Subba | 15 | SE Herts | 1:12.22 |
| 1 | 11 | Frederick Beasley | 15 | Dorset | 1:10.16 |
| 2 | 13 | Cameron McQuade | 15 | Staffs | 1:08.86 |
| 3 | 15 | William Tonks | 14 | Warwicks | 1:08.39 |
| 4 | 17 | Filip Nowacki | 15 | Hampshire | 1:06.12 |
| 5 | 16 | Rhys Dodd | 15 | Gloucs | 1:07.58 |
| 6 | 14 | Ben Buckley | 15 | Norfolk | 1:08.47 |
| 7 | 12 | Lucas Carter | 14 | Wiltshire | 1:10.04 |
| 8 | 10 | Cole Stevens | 15 | Derbyshire | 1:11.98 |
| 9 | 8 | Thomas O\'Brien | 14 | Cheshire | 1:12.44 |