EVENT 101 Men 10/11 Yrs 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 2 | Joseph Stoker | 11 | Colchester | 1:47.04 |
| 4 | 4 | Jesse Osayande | 11 | Colchester | 1:41.52 |
| 5 | 3 | Corben Gibson | 11 | Basildon Ph | 1:45.04 |
| 6 | 1 | Jakub Cincio | 10 | Chelmsford | 1:52.16 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | Nikitas Baltsezak | 11 | Colchester | 1:39.56 |
| 2 | 8 | Mario Feise | 11 | Basildon Ph | 1:38.22 |
| 3 | 10 | Archie Tebbutt | 11 | Colchester | 1:31.22 |
| 4 | 12 | S Newman-Baronius | 11 | Putteridge | 1:26.32 |
| 5 | 11 | Vincent Coombes | 11 | Braintree | 1:29.70 |
| 6 | 9 | Brandon Crees | 10 | Basildon Ph | 1:37.73 |
| 7 | 7 | Josh Meyer | 11 | Chelmsford | 1:39.50 |
| 8 | 5 | Philip Spalding | 11 | Putteridge | 1:39.69 |