EVENT 203 Boy 07 Yrs/Over 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | NOAH SKINNER | 10 | Deepings | 4:35.28 |
| 3 | 2 | GEORGE SHAW | 24 | Deepings | 3:20.36 |
| 4 | 3 | BEN CARLYLE | 11 | Grantham | 4:14.84 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 4 | JACK REYNOLDS | 11 | Grantham | 3:44.56 |
| 3 | 5 | ARTHUR BREARLEY-NEWSOM | 10 | Grantham | 4:12.06 |
| 4 | 6 | RHYS TERRY | 13 | Grantham | 3:41.80 |
| 5 | 7 | LUCA HALLAM | 9 | Grantham | 4:17.02 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | CORMAC STANLEY | 16 | Grantham | 3:28.25 |
| 2 | 9 | THOMAS BURDOCK | 10 | Deepings | 5:02.76 |
| 3 | 10 | MATAS RABASAUSKAS | 11 | Grantham | 4:03.56 |
| 4 | 11 | VINCENT CLARE | 12 | Deepings | 4:18.29 |
| 5 | 12 | WILLIAM BURDOCK | 12 | Deepings | 3:55.90 |
| 6 | 13 | FABIAN KOLASA | 10 | Grantham | 4:03.54 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | FINLAY SMITH | 13 | Deepings | 3:54.96 |
| 2 | 15 | LEWIS TARVER | 13 | Deepings | 3:29.49 |
| 3 | 16 | JAMES NICHOLS | 12 | Grantham | 3:15.07 |
| 4 | 17 | RIDAS RABASAUSKAS | 13 | Grantham | 3:06.43 |
| 5 | 18 | DANIEL DEGNAN | 13 | Grantham | 3:00.58 |
| 6 | 19 | ZACH HOPKINSON | 12 | Grantham | 3:00.17 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 21 | THOMAS THORNTON | 13 | Grantham | DN:C . |
| 2 | 23 | ELIJAH HALLIDAY | 14 | Grantham | 2:53.45 |
| 3 | 25 | GEORGE BERWICK | 18 | Grantham | 2:34.10 |
| 4 | 24 | CADE DEAVES | 16 | Grantham | 2:42.94 |
| 5 | 22 | JACOB BRIERS | 13 | Deepings | 2:58.68 |
| 6 | 20 | JACOB FISH | 12 | Grantham | 2:59.34 |