EVENT 203 Boys 09 Yrs/Over 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Joel SADLER | 11 | Grantham | |
| 2 | 3 | Joshua KIM | 10 | Grantham | |
| 3 | 4 | Luca HALLAM | 10 | Grantham | 1:50.88 |
| 4 | 5 | Fabian KOLASA | 11 | Grantham | 1:46.94 |
| 5 | 6 | Samuel NICHOLS | 10 | Grantham | 1:38.52 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 7 | Theo BACON | 12 | Grantham | 1:37.02 |
| 2 | 9 | Luke DAYBELL | 13 | Grantham | 1:34.25 |
| 3 | 10 | Adrian ELERTS | 12 | Grantham | 1:32.47 |
| 4 | 11 | Zach HOPKINSON | 13 | Grantham | 1:21.60 |
| 5 | 12 | Daniel DEGNAN | 14 | Grantham | 1:14.16 |
| 6 | 13 | Jack ZERAVICA | 14 | Grantham | 1:13.61 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 15 | Jacob FISH | 13 | Grantham | 1:10.18 |
| 2 | 17 | Elijah HALLIDAY | 15 | Grantham | 1:06.76 |
| 3 | 19 | Samuel LEVERIDGE | 16 | Grantham | 1:03.24 |
| 4 | 18 | Owen HATHWAY | 16 | Grantham | 1:05.41 |
| 5 | 16 | Joshua CLARKE | 14 | Grantham | 1:09.07 |
| 6 | 14 | James NICHOLS | 13 | Grantham | 1:10.81 |