EVENT 108 Men Open 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 6 | Gregory BUTLER | 21 | | Loughboro Un | 1:01.41 |
| 4 | 10 | James WILBY | 28 | | Loughboro Un | 58.46 |
| 5 | 8 | David MURPHY | 23 | | Co Oxford | 1:00.44 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 2 | Jack MILNE | 20 | SB14 | Dun City Aqu | 1:08.59 |
| 2 | 4 | Conner MORRISON | 24 | SB14 | Aberdeen Per | 1:05.07 |
| 3 | 7 | Archie GOODBURN | 20 | | Warrender Ba | 1:01.01 |
| 4 | 11 | Adam PEATY | 27 | | Co Derby | 56.88 |
| 5 | 9 | Ross MURDOCH | 27 | | UniOfStirl | 59.21 |
| 6 | 5 | Scott QUIN | 31 | SB14 | Warrender Ba | 1:03.90 |
| 7 | 3 | Harvey FREEMAN | 17 | | Northampton | 1:05.69 |
| 8 | 1 | Louis LAWLOR | 19 | SB14 | Co Glasgow | 1:08.82 |