EVENT 8 Open/Male 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 1 | Archie WHITELEY | 15 | Bourmth Coll | 2:26.78 |
| 3 | 3 | Stanley WEIGHELL | 15 | Seagulls SC | 1:59.47 |
| 4 | 2 | Milan ZAGANYCH | 15 | Seagulls SC | 2:01.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 5 | Jake HENDIN | 12 | Weymouth | 1:57.05 |
| 3 | 7 | Oscar MACHTYLSKI | 15 | Poole | 1:55.02 |
| 4 | 6 | Grayson STROHM | 14 | Poole | 1:55.95 |
| 5 | 4 | Harry MORGAN | 13 | S Bournem'th | 1:59.29 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 9 | Charlie GREEN | 12 | S Bournem'th | 1:34.86 |
| 2 | 11 | George WILSON | 12 | West Dorset | 1:32.59 |
| 3 | 13 | Reece EMERY | 12 | Blandford | 1:28.24 |
| 4 | 12 | Elliot DOWDS | 12 | Seagulls SC | 1:29.92 |
| 5 | 10 | Jenson LOWE | 12 | Poole | 1:33.32 |
| 6 | 8 | Woody SKERRETT | 12 | Seagulls SC | 1:47.69 |