EVENT 105 Boy 09 Yrs/Over 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Samuel NICHOLS | 9 | Grantham | 57.42 |
| 2 | 2 | Arthur BREARLEY-NEWSOM | 10 | Grantham | 55.48 |
| 3 | 3 | Oscar DURANT | 10 | Grantham | 54.66 |
| 4 | 4 | Luca HALLAM | 9 | Grantham | 54.53 |
| 5 | 5 | Ronnie ARCHER | 11 | Ilkeston | 53.88 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Reuben DOHERTY | 11 | Ilkeston | 52.50 |
| 2 | 7 | Alfie HAIGH | 12 | Grantham | 51.97 |
| 3 | 8 | Matas RABASAUSKAS | 11 | Grantham | 51.54 |
| 4 | 9 | Jacob TURNER | 11 | Boston | 51.24 |
| 5 | 10 | Fabian KOLASA | 10 | Grantham | 50.95 |
| 6 | 11 | Adrian ELERTS | 11 | Grantham | 46.58 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 12 | Benjamin MORRIS | 12 | Boston | 45.65 |
| 2 | 13 | Riley-Lee BURFORD | 13 | Boston | 44.11 |
| 3 | 14 | Spencer DOHERTY | 14 | Ilkeston | 43.84 |
| 4 | 15 | Oliver WATSON | 14 | Boston | 43.82 |
| 5 | 16 | Tyrese MALLETT | 15 | Boston | 43.79 |
| 6 | 17 | Aidan FITZGIBBON | 13 | Lincoln TSA | 43.71 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Jamie WILSON | 12 | Wisbech | 43.37 |
| 2 | 19 | Cormac STANLEY | 16 | Grantham | 43.23 |
| 3 | 20 | James NICHOLS | 12 | Grantham | 41.61 |
| 4 | 21 | Jake BATY | 16 | Grantham | 40.68 |
| 5 | 22 | Anielis KVEDARAVICIUS | 15 | Boston | 40.29 |
| 6 | 23 | Zach HOPKINSON | 12 | Grantham | 40.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Thomas THORNTON | 13 | Grantham | 39.04 |
| 2 | 27 | Finnley DANBY | 15 | Boston | 38.60 |
| 3 | 29 | Alex WILSON | 15 | Wisbech | 37.48 |
| 4 | 28 | Ryan NORTON | 14 | Boston | 37.70 |
| 5 | 26 | Ridas RABASAUSKAS | 13 | Grantham | 38.76 |
| 6 | 24 | Daniel DEGNAN | 13 | Grantham | 39.64 |