EVENT 24 Boy Open 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 1 | Kit FREEMAN | 11 | Blandford | 3:40.73 |
| 3 | 2 | Percy DEAN | 11 | S Bournem'th | 3:37.86 |
| 4 | 3 | Connor PITTWOOD | 10 | Poole | 3:36.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 4 | James FLEMING | 11 | S Bournem'th | 3:34.55 |
| 3 | 5 | Ollie DRUDGE | 10 | N Dorset SC | 3:32.51 |
| 4 | 6 | Frank OTTON | 11 | Weymouth | 3:32.22 |
| 5 | 7 | Euan MCPHAIL | 10 | West Dorset | 3:21.45 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 9 | Miron WOZNIAK | 09 | Blandford | 3:06.66 |
| 2 | 11 | Sam WESTCOTT | 09 | Bridport Bar | 3:05.80 |
| 3 | 13 | Konner BURGHART | 06 | S Bournem'th | 2:43.77 |
| 4 | 12 | Toby CAREY | 08 | N Dorset SC | 2:52.67 |
| 5 | 10 | Sam GRAHAM | 09 | Weymouth | 3:06.09 |
| 6 | 8 | Finlay LAWS | 10 | S Bournem'th | 3:18.75 |