EVENT 309 Boys 09 Yrs/Over 200m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Samuel NICHOLS | 10 | Grantham | |
| 3 | 2 | Luke DAYBELL | 13 | Grantham | |
| 4 | 3 | Luca HALLAM | 10 | Grantham | 4:07.63 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 4 | Theo BACON | 12 | Grantham | 3:58.07 |
| 3 | 5 | Oscar DURANT | 11 | Grantham | 3:37.93 |
| 4 | 6 | Adrian ELERTS | 12 | Grantham | 3:26.12 |
| 5 | 7 | Jack ZERAVICA | 14 | Grantham | 3:08.18 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 9 | Daniel DEGNAN | 14 | Grantham | 2:57.33 |
| 2 | 11 | Jacob FISH | 13 | Grantham | 2:33.30 |
| 3 | 13 | Owen HATHWAY | 16 | Grantham | 2:18.35 |
| 4 | 12 | Samuel LEVERIDGE | 16 | Grantham | 2:21.85 |
| 5 | 10 | James NICHOLS | 13 | Grantham | 2:38.61 |
| 6 | 8 | Zach HOPKINSON | 13 | Grantham | 3:03.93 |