EVENT 107 Open/Male 200m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 1 | Oscar MACHTYLSKI | 15 | Poole | 3:53.28 |
| 3 | 3 | Daniel BEATON | 14 | Seagulls SC | 3:32.39 |
| 4 | 2 | Luan ISUFI | 15 | Poole | 3:32.55 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 4 | Ralph VEARNCOMBE | 14 | Poole | 3:28.70 |
| 2 | 6 | Stanley WEIGHELL | 15 | Seagulls SC | 3:19.65 |
| 3 | 8 | Bailey BOOTH | 12 | S Bournem'th | 3:00.03 |
| 4 | 7 | Joseph RUDD | 13 | Weymouth | 3:12.91 |
| 5 | 5 | Harry MORGAN | 13 | S Bournem'th | 3:23.92 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 10 | Zachary FLINT | 11 | Seagulls SC | 2:50.97 |
| 2 | 12 | Alexander BEATON | 11 | Seagulls SC | 2:40.86 |
| 3 | 14 | Liam DETRICK | 10 | S Bournem'th | 2:31.41 |
| 4 | 13 | Geoffrey GOODRICK | 09 | Weymouth | 2:39.52 |
| 5 | 11 | Frank TURNER | 11 | West Dorset | 2:48.15 |
| 6 | 9 | Reece EMERY | 12 | Blandford | 2:52.49 |