EVENT 406 Boys 09 Yrs/Over 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Thomas HILLSON | 9 | Grantham | |
| 3 | 2 | Elliot GLEAVE | 9 | Grantham | |
| 4 | 3 | Benjamin GODDARD | 9 | Grantham | |
| 5 | 4 | Connor SMITH | 12 | Grantham | |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 5 | Barnaby DURANT | 9 | Grantham | |
| 2 | 6 | Joshua KIM | 10 | Grantham | 2:15.00 |
| 3 | 7 | Luca HALLAM | 10 | Grantham | 1:47.16 |
| 4 | 8 | Samuel NICHOLS | 10 | Grantham | 1:44.01 |
| 5 | 9 | Alfie HAIGH | 13 | Grantham | 1:43.13 |
| 6 | 10 | Matas RABASAUSKAS | 12 | Grantham | 1:37.91 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 11 | Fabian KOLASA | 11 | Grantham | 1:37.53 |
| 2 | 12 | Joel SADLER | 11 | Grantham | 1:33.28 |
| 3 | 13 | Oscar DURANT | 11 | Grantham | 1:31.66 |
| 4 | 15 | Theo BACON | 12 | Grantham | 1:29.99 |
| 5 | 16 | Ben CARLYLE | 12 | Grantham | 1:24.69 |
| 6 | 17 | Luke DAYBELL | 13 | Grantham | 1:24.63 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Ridas RABASAUSKAS | 14 | Grantham | 1:19.59 |
| 2 | 19 | James NICHOLS | 13 | Grantham | 1:19.00 |
| 3 | 20 | Benjamin HALLIDAY | 17 | Grantham | 1:16.05 |
| 4 | 21 | Zach HOPKINSON | 13 | Grantham | 1:15.14 |
| 5 | 22 | Jake BATY | 17 | Grantham | 1:14.49 |
| 6 | 23 | Thomas THORNTON | 14 | Grantham | 1:13.36 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Joshua CLARKE | 14 | Grantham | 1:10.62 |
| 2 | 27 | Samuel LEVERIDGE | 16 | Grantham | 1:08.71 |
| 3 | 29 | Owen HATHWAY | 16 | Grantham | 1:03.36 |
| 4 | 28 | Jack ZERAVICA | 14 | Grantham | 1:06.98 |
| 5 | 26 | Jacob FISH | 13 | Grantham | 1:10.01 |
| 6 | 24 | Daniel DEGNAN | 14 | Grantham | 1:12.40 |