EVENT 28 Boy Open 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Alfie POLLARD | 12 | S Bournem'th | 3:39.45 |
| 2 | 2 | Luca SLOAN | 13 | Weymouth | 3:31.99 |
| 3 | 3 | Teddy KEEP | 12 | Poole | 3:23.75 |
| 4 | 4 | Liam DETRICK | 10 | Poole | 3:15.10 |
| 5 | 5 | Jenson LOWE | 12 | Poole | 3:04.42 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 6 | Leo IBBOTSON | 10 | Wareham | 3:01.56 |
| 2 | 7 | James FLEMING | 11 | S Bournem'th | 3:00.45 |
| 3 | 8 | Alfie CRANE | 10 | Seagulls SC | 2:58.49 |
| 4 | 9 | Samuel ESCOTT | 10 | Poole | 2:56.57 |
| 5 | 10 | Gethin WILSON | 10 | Poole | 2:56.29 |
| 6 | 11 | Connor PITTWOOD | 10 | Poole | 2:51.66 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 13 | Elliot WARE | 09 | S Bournem'th | 2:45.81 |
| 2 | 15 | Toby CAREY | 08 | N Dorset SC | 2:40.60 |
| 3 | 17 | Daniel HUSSEY | 07 | Bridport Bar | 2:31.10 |
| 4 | 16 | Jacka WARE | 07 | S Bournem'th | 2:40.14 |
| 5 | 14 | Miron WOZNIAK | 09 | Blandford | 2:40.68 |
| 6 | 12 | James NEESAM | 08 | Poole | 2:48.18 |