EVENT 204 Boys 09 Yrs/Over 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Henry DOLAN | 9 | Grantham | 2:20.00 |
| 2 | 2 | Benjamin GODDARD | 9 | Grantham | 2:18.58 |
| 3 | 3 | Barnaby DURANT | 9 | Grantham | 2:15.00 |
| 4 | 4 | Leo BARNETT | 10 | Grantham | 2:15.00 |
| 5 | 5 | Joshua KIM | 9 | Grantham | 2:13.18 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Elliot GLEAVE | 9 | Grantham | 2:13.17 |
| 2 | 7 | George LEONARD | 10 | Grantham | 2:12.20 |
| 3 | 8 | Bertie ROSE | 9 | Lincoln Vulc | 2:02.45 |
| 4 | 10 | Arthur BREARLEY-NEWSOM | 11 | Grantham | 1:48.42 |
| 5 | 11 | Alfie HAIGH | 13 | Grantham | 1:46.78 |
| 6 | 12 | Fabian KOLASA | 11 | Grantham | 1:45.12 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 13 | Joel SADLER | 11 | Grantham | 1:44.46 |
| 2 | 14 | Samuel NICHOLS | 10 | Grantham | 1:44.06 |
| 3 | 15 | Adrian ELERTS | 12 | Grantham | 1:41.46 |
| 4 | 16 | Luke DAYBELL | 13 | Grantham | 1:36.22 |
| 5 | 17 | Oliver WATSON | 15 | Boston | 1:34.90 |
| 6 | 18 | Jake BATY | 16 | Grantham | 1:30.03 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | Ewan BRAZENER | 17 | Shepshed | 1:22.50 |
| 2 | 23 | Sam HILL | 15 | Shepshed | 1:21.52 |
| 3 | 27 | George BERWICK | 19 | Grantham | 1:10.34 |
| 4 | 25 | Ryan NORTON | 15 | Boston | 1:18.37 |
| 5 | 22 | Daniel DEGNAN | 14 | Grantham | 1:22.01 |
| 6 | 20 | Tom BERWICK | 16 | Grantham | 1:24.51 |