EVENT 105 Boys 09 Yrs/Over 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Henry WILLERTON | 9 | Boston | 1:33.77 |
| 3 | 3 | Michael BUNN | 11 | Lincoln Vulc | 1:07.17 |
| 4 | 4 | Benjamin GODDARD | 9 | Grantham | 1:05.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Thomas HILLSON | 9 | Grantham | 1:05.00 |
| 2 | 6 | Elliot GLEAVE | 9 | Grantham | 1:05.00 |
| 3 | 7 | Leo BARNETT | 10 | Grantham | 1:05.00 |
| 4 | 8 | Barnaby DURANT | 9 | Grantham | 1:04.39 |
| 5 | 9 | George LEONARD | 10 | Grantham | 1:04.10 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Thomas ROSCOE | 11 | Grantham | 1:03.19 |
| 2 | 11 | Oscar CHEN-REES | 10 | Grantham | 1:02.48 |
| 3 | 12 | Henry DOLAN | 9 | Grantham | 1:01.58 |
| 4 | 13 | Joshua KIM | 9 | Grantham | 1:00.70 |
| 5 | 14 | Oscar WOOD | 9 | Lincoln Vulc | 59.97 |
| 6 | 15 | Seth NEWTON | 11 | Grantham | 59.52 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Hugo WARD | 11 | Boston | 58.34 |
| 2 | 17 | Bertie ROSE | 9 | Lincoln Vulc | 57.16 |
| 3 | 18 | Daniel HUNT | 11 | Grantham | 56.78 |
| 4 | 19 | Bobby THAIN | 12 | Skegness | 56.54 |
| 5 | 20 | Luca HALLAM | 10 | Grantham | 51.44 |
| 6 | 21 | Arthur BREARLEY-NEWSOM | 11 | Grantham | 50.41 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Connor SMITH | 12 | Grantham | 50.08 |
| 2 | 23 | Alfie HAIGH | 13 | Grantham | 49.84 |
| 3 | 25 | Fabian KOLASA | 11 | Grantham | 48.41 |
| 4 | 26 | Jake MCGHEE | 12 | Grantham | 48.00 |
| 5 | 27 | Samuel NICHOLS | 10 | Grantham | 47.46 |
| 6 | 28 | Joel SADLER | 11 | Grantham | 46.81 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 29 | Adrian ELERTS | 12 | Grantham | 44.67 |
| 2 | 30 | Oliver WATSON | 15 | Boston | 43.40 |
| 3 | 31 | Luke DAYBELL | 13 | Grantham | 43.05 |
| 4 | 32 | Jake BATY | 16 | Grantham | 39.61 |
| 5 | 34 | Tom BERWICK | 16 | Grantham | 37.24 |
| 6 | 35 | Daniel DEGNAN | 14 | Grantham | 37.21 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 37 | Sam HILL | 15 | Shepshed | 36.50 |
| 2 | 39 | Ryan NORTON | 15 | Boston | 35.08 |
| 3 | 42 | George BERWICK | 19 | Grantham | 32.60 |
| 4 | 41 | Isaac BANHAM | 17 | Skegness | 34.08 |
| 5 | 38 | Ewan BRAZENER | 17 | Shepshed | 36.40 |
| 6 | 36 | Finnley DANBY | 16 | Boston | 36.84 |