EVENT 306 Mens MC 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 9 | Tyler Ioannou | 21 | SB14 | Wycombe Dist | 1:13.89 |
| 4 | 13 | Conner Morrison | 22 | SB14 | Aberdeen Per | 1:08.55 |
| 5 | 11 | Jack Milne | 18 | SB14 | Dun City Aqu | 1:12.86 |
| 6 | 7 | Benjamin Grainger | 16 | SB9 | Mt Kelly | 1:17.84 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | William Perry | 19 | SB6 | Northampton | 1:31.29 |
| 1 | 4 | James Edwards | 20 | SB14 | Calne Alpha | 1:20.27 |
| 2 | 6 | Rhys Davies | 18 | SB14 | Pembs Cty | 1:18.12 |
| 3 | 10 | Joe Seage | 20 | SB14 | Bassetlaw SS | 1:13.24 |
| 4 | 14 | Scott Quin | 29 | SB14 | Warrender Ba | 1:05.28 |
| 5 | 12 | Gavin Roberts | 20 | SB14 | Co Glasgow | 1:12.04 |
| 6 | 8 | Louis Lawlor | 17 | SB14 | Co Glasgow | 1:16.34 |
| 7 | 5 | Dylan Broom | 17 | SB14 | Torfaen D | 1:18.84 |
| 8 | 3 | Ryan Potter | 16 | SB14 | Blackpool Aq | 1:20.73 |
| 9 | 1 | Matthew Harding | 20 | SB5 | Wirral Metro | 1:41.85 |