EVENT 402 Men's MC 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 3 | 1 | Luke Batty | 05 | S9 | Bolton Metro | 1:09.02 |
| 4 | 2 | Oliver Carter | 00 | S10 | UniOfStirl | 1:03.85 |
| 5 | 3 | Roan Brennan | 06 | S10 | Basildon Ph | 1:03.73 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Cat | Club | Time |
| 0 | 4 | Owen Garsides | 01 | S14 | KingstonHull | 1:02.59 |
| 1 | 5 | Joseph Greaves | 03 | S14 | Nova Cent'n | 1:02.48 |
| 2 | 6 | James Clegg | 94 | S12 | Edinburgh Un | 1:02.20 |
| 3 | 7 | Mark Tompsett | 06 | S14 | Bolton Metro | 1:01.24 |
| 4 | 8 | Rio Rogers | 04 | S14 | Basildon Ph | 1:01.22 |
| 5 | 9 | Jude Gunner | 09 | S14 | St Felix Sch | 1:00.92 |
| 6 | 10 | Harry Stewart | 04 | S14 | Plymouth Lea | 1:00.09 |
| 7 | 11 | Stephen Clegg | 95 | S12 | Edinburgh Un | 58.14 |
| 8 | 12 | Cameron Vearncombe | 02 | S14 | Bridgwater | 57.36 |
| 9 | 13 | William Ellard | 06 | S14 | St Felix Sch | 56.17 |