EVENT 11 Boy Open 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 2 | 1 | Harry HENSHAW | 12 | West Dorset | 1:35.29 |
| 3 | 2 | Alfie POLLARD | 12 | S Bournem'th | 1:31.12 |
| 4 | 3 | Jack FEILDER | 12 | Poole | 1:27.60 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 4 | Seth JORDAN | 11 | Bridport Bar | 1:27.25 |
| 2 | 5 | Kit FREEMAN | 11 | Blandford | 1:27.03 |
| 3 | 6 | Teddy KEEP | 12 | Poole | 1:26.25 |
| 4 | 7 | Ho Wai TANG | 13 | S Bournem'th | 1:25.80 |
| 5 | 8 | Toby SIMS | 13 | Seagulls SC | 1:25.79 |
| 6 | 9 | Jenson LOWE | 12 | Poole | 1:24.87 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 10 | Edward SMITH | 12 | Bridport Bar | 1:23.47 |
| 2 | 11 | Reece EMERY | 12 | Blandford | 1:23.12 |
| 3 | 12 | Luca SLOAN | 13 | Weymouth | 1:20.70 |
| 4 | 13 | Frank TURNER | 11 | Weymouth | 1:20.27 |
| 5 | 14 | Rohan VERCOE | 12 | Bridport Bar | 1:19.02 |
| 6 | 15 | Henry WALKER | 11 | Poole | 1:18.18 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 16 | Gethin WILSON | 10 | Poole | 1:18.17 |
| 2 | 17 | Brodie ROBERTS | 12 | Seagulls SC | 1:18.04 |
| 3 | 18 | Ollie DRUDGE | 10 | N Dorset SC | 1:16.79 |
| 4 | 19 | Leo DOWNTON | 12 | Blandford | 1:16.53 |
| 5 | 20 | Harrison O'HARA | 11 | Poole | 1:16.51 |
| 6 | 21 | Oliver COE | 12 | Poole | 1:16.50 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 22 | Nicolas GBUREK | 09 | Weymouth | 1:16.19 |
| 2 | 23 | Leo IBBOTSON | 10 | Wareham | 1:16.14 |
| 3 | 24 | Dylan HANGER | 11 | Weymouth | 1:15.75 |
| 4 | 25 | Euan MCPHAIL | 10 | West Dorset | 1:13.88 |
| 5 | 26 | Alexander BEATON | 11 | Seagulls SC | 1:13.56 |
| 6 | 27 | Archie RAND | 10 | Seagulls SC | 1:13.06 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 28 | Harry JOHNSON | 10 | Blandford | 1:12.49 |
| 2 | 29 | Samuel ESCOTT | 10 | Poole | 1:12.37 |
| 3 | 30 | Callum CRUTCHLEY | 09 | S Bournem'th | 1:12.35 |
| 4 | 31 | Alfie CRANE | 10 | Seagulls SC | 1:11.69 |
| 5 | 32 | Tommy GLEESON | 10 | Seagulls SC | 1:11.48 |
| 6 | 33 | Finlay LAWS | 10 | S Bournem'th | 1:10.74 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 34 | Geoffrey GOODRICK | 09 | Weymouth | 1:10.39 |
| 2 | 35 | Riley HAWKINS | 07 | Bridport Bar | 1:10.25 |
| 3 | 36 | Arthur KENYON-BUTLER | 10 | Blandford | 1:10.15 |
| 4 | 37 | Oliver WILLIS-OWEN | 10 | Poole | 1:09.66 |
| 5 | 38 | Elliot WARE | 09 | S Bournem'th | 1:08.93 |
| 6 | 39 | James NEESAM | 08 | Poole | 1:08.83 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 40 | Connor PITTWOOD | 10 | Poole | 1:08.35 |
| 2 | 41 | Aris ROMAN | 09 | Wareham | 1:07.24 |
| 3 | 42 | Ethan HANGER | 07 | Weymouth | 1:06.75 |
| 4 | 43 | Jacka WARE | 07 | S Bournem'th | 1:06.74 |
| 5 | 44 | Miron WOZNIAK | 09 | Blandford | 1:05.91 |
| 6 | 45 | Lawrence GOODRICK | 07 | Weymouth | 1:05.68 |
| Heat Number - 9 |
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 47 | Matthew PROWSE | 08 | West Dorset | 1:03.13 |
| 2 | 49 | Daniel HUSSEY | 07 | Bridport Bar | 1:01.81 |
| 3 | 51 | Konner BURGHART | 06 | S Bournem'th | 1:00.04 |
| 4 | 50 | Thomas DEWEY | 08 | Seagulls SC | 1:00.41 |
| 5 | 48 | Toby CAREY | 08 | N Dorset SC | 1:02.89 |
| 6 | 46 | George DEFRIES | 09 | Seagulls SC | 1:04.51 |