EVENT 109 Mens MC 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 13 | Mark Snelling | 24 | SB14 | Harrogate | 1:34.50 |
| 4 | 19 | Joshua Fairchild | 21 | SB14 | Co Coventry | 1:25.94 |
| 5 | 16 | Evan Holt | 16 | SB14 | Cockermouth | 1:32.57 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 5 | Connor Smithers | 15 | SB8 | Basildon Ph | 1:53.54 |
| 2 | 9 | Maximilian Tulloch | 14 | SB8 | Chalfont | 1:45.77 |
| 3 | 14 | Joseph Greaves | 16 | SB14 | Littleh'pton | 1:33.82 |
| 4 | 20 | Conor Ballard | 17 | SB9 | Leatherhead | 1:24.20 |
| 5 | 17 | Angus Leckonby | 17 | SB14 | Scarborough | 1:27.20 |
| 6 | 11 | William Whitehead | 14 | SB8 | Derventio | 1:41.68 |
| 7 | 7 | Scott Hadley | 21 | SB7 | Orion | 1:48.97 |
| 8 | 3 | Levi Codling | 15 | SB7 | Coalville | 2:00.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | Bruce Dee | 13 | SB6 | Northampton | 2:03.12 |
| 1 | 6 | Nima Ghavami | 18 | SB7 | Northampton | 1:52.78 |
| 2 | 10 | Owen Johnson | 11 | SB9 | Co Derby | 1:45.30 |
| 3 | 15 | Matthew Davies | 15 | SB9 | RomseyTotton | 1:33.19 |
| 4 | 21 | Owen Garsides | 18 | SB14 | KingstonHull | 1:22.26 |
| 5 | 18 | Andrew Keeler | 23 | SB14 | Devonport | 1:26.64 |
| 6 | 12 | Owen Say | 18 | SB7 | Bracknell | 1:39.72 |
| 7 | 8 | Jamie Markall | 16 | SB8 | Orion | 1:48.05 |
| 8 | 4 | Sebastian Williams | 15 | SB6 | Mt Kelly | 1:54.82 |
| 9 | 1 | Xander Harris | 15 | SB6 | Devonport | 2:10.02 |