EVENT 22 Boys Open 200m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 3 | 1 | Oscar WOOD | 10 | Lincoln Vulc | 4:13.22 |
| 4 | 2 | George LEONARD | 10 | Grantham | 3:50.00 |
| 5 | 3 | Thomas BURDOCK | 12 | Deepings | 3:45.95 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 4 | Thomas HILLSON | 9 | Grantham | 3:39.70 |
| 3 | 5 | Elliot GLEAVE | 10 | Grantham | 3:34.70 |
| 4 | 6 | Bobby WALLIS | 10 | Co Lincoln P | 3:25.00 |
| 5 | 7 | Alfie HAIGH | 14 | Grantham | 3:15.10 |
| 6 | 8 | Fabian KOLASA | 12 | Grantham | 3:15.08 |
| 7 | 9 | Cole COOPER | 11 | Co Lincoln P | 3:15.00 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Joel SADLER | 12 | Grantham | 3:14.35 |
| 2 | 11 | Oliver CLARKE | 10 | Deepings | 3:11.90 |
| 3 | 12 | Ethan DERBY | 12 | Lincoln Vulc | 3:06.00 |
| 4 | 13 | Ben CARLYLE | 13 | Grantham | 3:04.87 |
| 5 | 14 | Luca HALLAM | 11 | Grantham | 3:04.47 |
| 6 | 15 | Luke DAYBELL | 13 | Grantham | 2:45.50 |
| 7 | 16 | Jack BELL | 14 | Deepings | 2:42.18 |
| 8 | 17 | Jacob BRIERS | 15 | Deepings | 2:42.10 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 19 | Lewis TARVER | 14 | Deepings | 2:36.32 |
| 2 | 21 | Zach HOPKINSON | 14 | Grantham | 2:33.46 |
| 3 | 23 | Daniel DEGNAN | 14 | Grantham | 2:29.47 |
| 4 | 25 | Harry KINGSTON | 18 | Co Lincoln P | 2:20.06 |
| 5 | 24 | Jack ZERAVICA | 15 | Grantham | 2:23.29 |
| 6 | 22 | Christian O'MALLEY | 16 | Lincoln Vulc | 2:31.20 |
| 7 | 20 | Harry NEWMAN | 17 | Deepings | 2:35.00 |
| 8 | 18 | Oliver GARNER | 13 | Co Lincoln P | 2:41.72 |