EVENT 209 Mens MC 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 13 | Christopher Currie | 21 | S14 | Co Oxford | 1:18.56 |
| 4 | 19 | Benjamin Foulston | 15 | S10 | Nova Cent'n | 1:13.07 |
| 5 | 16 | Jack Bridge | 21 | S10 | Preston | 1:17.32 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 5 | Matthew Rishworth | 13 | S10 | Staines | 1:25.34 |
| 2 | 9 | Daniel Bennett | 19 | S8 | Gloucester | 1:21.12 |
| 3 | 14 | Tom Piggott | 15 | S10 | Shrewsbury | 1:17.63 |
| 4 | 20 | Macauley Ainslie | 17 | S14 | Gates &Whick | 1:11.00 |
| 5 | 17 | Craig McNeil | 18 | S10 | SwimTrafford | 1:15.00 |
| 6 | 11 | Gareth Orr | 22 | S14 | Co Sund'land | 1:20.60 |
| 7 | 7 | Callum Hodgson | 15 | S14 | Basildon Ph | 1:23.51 |
| 8 | 3 | Ellis Underwood | 15 | S13 | Co Newport | 1:29.41 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 0 | 2 | Reilly Shanahan | 15 | S9 | Shrewsbury | 1:36.52 |
| 1 | 6 | Connor Lockwood | 12 | S14 | Woking | 1:24.51 |
| 2 | 10 | Cameron Vearncombe | 13 | S14 | Caradon | 1:20.66 |
| 3 | 15 | Jaxon Simmons | 15 | S13 | Co Peterboro | 1:17.59 |
| 4 | 21 | Luke Reeson | 28 | S9 | Cockermouth | 1:10.55 |
| 5 | 18 | Joseph Seage | 16 | S14 | Rotherham Mo | 1:14.44 |
| 6 | 12 | Jack Sheffield | 13 | S14 | Co Salford | 1:20.54 |
| 7 | 8 | J Monaghan-Coombs | 17 | S9 | Saxon Crown | 1:22.48 |
| 8 | 4 | Oludaisi Adefisan | 15 | S9 | Croydon Amph | 1:25.57 |
| 9 | 1 | Finlay Middleton | 13 | S8 | Stowmarket | 1:38.33 |