EVENT 404 Open/Male 09 Yrs/Over 100m IM - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Reuben SKEITH | 11 | Grantham | |
| 4 | 2 | Harry BIBBY | 9 | Grantham | |
| 5 | 3 | Ralph MILNE | 11 | Grantham | 2:05.82 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 4 | Oscar BEMBRIDGE | 10 | Grantham | 2:01.53 |
| 3 | 5 | Henry BOWERS | 10 | Grantham | 1:59.19 |
| 4 | 6 | Henry LEONARD | 10 | Grantham | 1:40.71 |
| 5 | 7 | George DOLAN | 10 | Grantham | 1:36.69 |
| 6 | 8 | Benjamin SHEARN | 12 | Grantham | 1:35.43 |
| 7 | 9 | Louis WRIGHT | 13 | Grantham | 1:31.82 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Daniel GODDARD | 11 | Grantham | 1:31.40 |
| 2 | 11 | Cyril BAO | 10 | Grantham | 1:27.22 |
| 3 | 12 | Benjamin GODDARD | 13 | Grantham | 1:24.17 |
| 4 | 13 | Freddie HIRST | 12 | Grantham | 1:23.97 |
| 5 | 14 | Joshua KIM | 14 | Grantham | 1:23.91 |
| 6 | 15 | William PENNOCK | 12 | Grantham | 1:23.16 |
| 7 | 16 | Henry DOLAN | 13 | Grantham | 1:20.64 |
| 8 | 17 | Arthur BREARLEY-NEWSOM | 15 | Grantham | 1:20.05 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 18 | Elliot GLEAVE | 13 | Grantham | 1:19.21 |
| 2 | 19 | Jimmin BAO | 13 | Grantham | 1:19.17 |
| 3 | 20 | Derrin BROCKLEBANK | 12 | Grantham | 1:19.07 |
| 4 | 21 | Yu Ching (Eugene) CHEU | 15 | Grantham | 1:17.86 |
| 5 | 22 | George LEONARD | 14 | Grantham | 1:16.39 |
| 6 | 23 | Toby EDMONDSON | 12 | Grantham | 1:16.13 |
| 7 | 24 | Markas PARAPIJONAVICIU | 13 | Grantham | 1:14.85 |
| 8 | 25 | Thomas HILLSON | 13 | Grantham | 1:14.84 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 27 | Kieran LUCY | 16 | Grantham | 1:07.76 |
| 2 | 29 | Samuel GREEN | 16 | Grantham | 1:03.58 |
| 3 | 31 | Zach HOPKINSON | 17 | Grantham | 1:02.16 |
| 4 | 33 | Benjamin ROBERTS | 17 | Grantham | 56.00 |
| 5 | 32 | James DOBNEY | 22 | Grantham | 59.09 |
| 6 | 30 | Ben CARLYLE | 16 | Grantham | 1:02.19 |
| 7 | 28 | Ben LORD | 21 | Grantham | 1:06.29 |
| 8 | 26 | Francesco MONACO | 14 | Grantham | 1:09.99 |