EVENT 105 Boys 09 Yrs/Over 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Austin CHEN-REES | 9 | Grantham | 1:30.00 |
| 4 | 2 | Markas PARAPIJONAVICIU | 9 | Grantham | 1:15.00 |
| 5 | 3 | Dominic KIRALY | 13 | Boston | 1:11.33 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Dylan MACKIE | 11 | March | 1:10.25 |
| 2 | 5 | Freddie JONES | 10 | Skegness | 1:10.16 |
| 3 | 6 | Woody CLARK | 9 | Grantham | 1:09.65 |
| 4 | 9 | Benjamin GODDARD | 10 | Grantham | 1:00.83 |
| 5 | 12 | Derrin BROCKLEBANK | 9 | Grantham | 59.70 |
| 6 | 13 | Henry WILLERTON | 9 | Boston | 58.67 |
| 7 | 14 | Oscar CHEN-REES | 10 | Grantham | 58.53 |
| 8 | 15 | Dylan HAYLOCK | 9 | March | 58.39 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Barnaby DURANT | 9 | Grantham | 57.80 |
| 2 | 17 | Yu Ching (Eugene) CHEU | 11 | Grantham | 57.21 |
| 3 | 18 | Sebastian CLARKE | 15 | Grantham | 57.00 |
| 4 | 20 | Henry DOLAN | 9 | Grantham | 54.81 |
| 5 | 21 | Matt HALL | 12 | March | 54.53 |
| 6 | 22 | George BAKER | 10 | March | 54.20 |
| 7 | 23 | Thomas HILLSON | 10 | Grantham | 53.91 |
| 8 | 24 | Jake MCGHEE | 13 | Grantham | 53.53 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Elliot GLEAVE | 10 | Grantham | 52.92 |
| 2 | 26 | George LEONARD | 10 | Grantham | 52.78 |
| 3 | 27 | Ryan SMITH | 13 | Grantham | 52.37 |
| 4 | 30 | Leo BARNETT | 11 | Grantham | 48.69 |
| 5 | 31 | Ben CARLYLE | 13 | Grantham | 47.89 |
| 6 | 32 | Alfie HAIGH | 14 | Grantham | 47.58 |
| 7 | 33 | Joshua CAMMACK | 12 | Gainsborough | 47.46 |
| 8 | 34 | Fabian KOLASA | 12 | Grantham | 46.35 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 35 | Joel SADLER | 12 | Grantham | 46.13 |
| 2 | 36 | Samuel BAKER | 13 | March | 45.31 |
| 3 | 37 | Jack HATCH | 13 | Gainsborough | 45.15 |
| 4 | 38 | Mason RILEY | 12 | March | 45.00 |
| 5 | 39 | Oscar DURANT | 12 | Grantham | 44.46 |
| 6 | 40 | Harry RICKARD | 12 | March | 43.50 |
| 7 | 41 | Daniel PEARSON | 34 | Boston | 43.19 |
| 8 | 42 | Riley-Lee BURFORD | 15 | Boston | 43.03 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 46 | Luke DAYBELL | 13 | Grantham | 40.30 |
| 2 | 48 | James THOMAS | 13 | Gainsborough | 38.40 |
| 3 | 52 | Connor RICKARD | 15 | March | 34.61 |
| 4 | 54 | George BERWICK | 20 | Grantham | 31.20 |
| 5 | 53 | Zach HOPKINSON | 14 | Grantham | 34.40 |
| 6 | 51 | Daniel DEGNAN | 14 | Grantham | 35.90 |
| 7 | 47 | Noah WOOD | 14 | Sherwood | 40.08 |
| 8 | 44 | Benjamin MORRIS | 13 | Boston | 42.77 |