EVENT 14 Boys Open 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Ted MOORE | 10 | Grantham | 5:20.00 |
| 2 | 2 | Finley WEST | 11 | Co Lincoln P | 4:40.95 |
| 3 | 3 | Thomas BURDOCK | 12 | Deepings | 4:37.98 |
| 4 | 4 | Jasper REID | 13 | Deepings | 4:30.00 |
| 5 | 5 | Leo BARNETT | 11 | Grantham | 4:28.83 |
| 6 | 6 | Joshua KIM | 10 | Grantham | 4:18.89 |
| 7 | 7 | Aiden HUNTLEY | 11 | Co Lincoln P | 4:16.35 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Ryan SMITH | 13 | Grantham | 4:14.84 |
| 2 | 9 | Elliot GLEAVE | 10 | Grantham | 4:08.00 |
| 3 | 10 | Bobby WALLIS | 10 | Co Lincoln P | 4:02.22 |
| 4 | 11 | George LEONARD | 10 | Grantham | 4:00.77 |
| 5 | 12 | Bertie ROSE | 9 | Lincoln Vulc | 3:59.90 |
| 6 | 13 | Jonathan GBYLICZEK | 11 | Lincoln Vulc | 3:58.08 |
| 7 | 14 | Arthur BREARLEY-NEWSOM | 12 | Grantham | 3:49.03 |
| 8 | 15 | Noah SKINNER | 12 | Deepings | 3:42.50 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Fabian KOLASA | 12 | Grantham | 3:42.25 |
| 2 | 17 | Joel SADLER | 12 | Grantham | 3:39.90 |
| 3 | 18 | Oliver CLARKE | 10 | Deepings | 3:34.44 |
| 4 | 19 | Isaac GREENSLADE | 13 | Lincoln Vulc | 3:33.70 |
| 5 | 20 | Samuel NICHOLS | 11 | Grantham | 3:25.81 |
| 6 | 21 | Riley HAMER | 12 | Co Lincoln P | 3:25.00 |
| 7 | 22 | Oliver GARNER | 13 | Co Lincoln P | 3:16.30 |
| 8 | 23 | Freddie TRAGNI | 13 | Co Lincoln P | 3:01.34 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 25 | Daniel DEGNAN | 14 | Grantham | 2:57.09 |
| 2 | 27 | Jack ZERAVICA | 15 | Grantham | 2:48.08 |
| 3 | 29 | Aidan FITZGIBBON | 15 | Co Lincoln P | 2:45.21 |
| 4 | 31 | Zach HOPKINSON | 14 | Grantham | 2:40.15 |
| 5 | 30 | Jack HUGHES | 15 | Lincoln Vulc | 2:43.57 |
| 6 | 28 | Jacob BRIERS | 15 | Deepings | 2:46.80 |
| 7 | 26 | Hayden POTTS | 15 | Lincoln Vulc | 2:49.43 |
| 8 | 24 | Archie FRENCH | 13 | Lincoln Vulc | 2:59.06 |