EVENT 112 Boys 14/15 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | George Spencer | 14 | Cornwall | 1:24.70 |
| 1 | 3 | William Tremellen | 15 | Northants | 1:15.35 |
| 2 | 5 | Ashley Trent | 15 | Cambs | 1:14.44 |
| 3 | 7 | Luke Jones | 15 | Lincolnshire | 1:12.04 |
| 4 | 9 | Ellis Kube | 15 | Leics | 1:11.41 |
| 5 | 8 | Jake Tyson | 15 | Suffolk | 1:11.53 |
| 6 | 6 | Thomas Sykes | 14 | Shropshire | 1:13.99 |
| 7 | 4 | Nicholas Stalley | 15 | Bedfordshire | 1:14.63 |
| 8 | 2 | Jordan Hughes | 15 | Swim Wales W | 1:15.82 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 11 | Elliot Randall | 15 | Devon | 1:10.90 |
| 1 | 13 | Marcus Gardiner | 15 | Gloucs | 1:10.81 |
| 2 | 15 | James Marsh | 15 | Worcs | 1:09.80 |
| 3 | 17 | Dominic Polling | 14 | Sussex | 1:08.80 |
| 4 | 19 | Isaac Kirby | 14 | Norfolk | 1:06.99 |
| 5 | 18 | Ben Baston | 15 | Swim Wales E | 1:07.99 |
| 6 | 16 | Luke Davies | 15 | Warwicks | 1:09.32 |
| 7 | 14 | Luke Demetri | 14 | Wiltshire | 1:09.81 |
| 8 | 12 | Adam Murray | 15 | Scot Midland | 1:10.89 |
| 9 | 10 | Edward Baxter | 14 | Cumbria | 1:11.24 |