EVENT 202 Boy Open 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | Frederick WILLIAMS | 10 | Eckington | 3:57.76 |
| 3 | 3 | Oliver GARNER | 12 | Co Lincoln P | 3:44.37 |
| 4 | 2 | Jasper CHESTNUTT | 12 | Bircotes SC | 3:48.47 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 4 | Sebastian WILKINSON | 17 | Bircotes SC | 3:36.07 |
| 2 | 6 | C BUTTERELL-QUANBROUGH | 12 | Bassetlaw SS | 3:30.00 |
| 3 | 8 | Oscar WAINWRIGHT | 13 | Matlock | 3:25.00 |
| 4 | 7 | Lewis TARVER | 14 | Deepings | 3:25.55 |
| 5 | 5 | Joshua DAY | 14 | Eckington | 3:30.17 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 10 | Thomas COLLINS | 12 | Bassetlaw SS | 3:23.96 |
| 2 | 12 | Toby DRAYSON | 11 | Derventio | 3:20.10 |
| 3 | 14 | Harry ASTON | 14 | Derventio | 3:15.06 |
| 4 | 13 | Riley HAMER | 12 | Co Lincoln P | 3:20.00 |
| 5 | 11 | Samuel POTTER | 13 | Bassetlaw SS | 3:22.79 |
| 6 | 9 | Jacob PEMBERTON | 13 | Derventio | 3:24.93 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 16 | Freddie TRAGNI | 13 | Co Lincoln P | 3:12.28 |
| 2 | 18 | James THOMAS | 12 | Gainsborough | 3:09.20 |
| 3 | 20 | Aidan FITZGIBBON | 14 | Co Lincoln P | 2:54.46 |
| 4 | 19 | Samuel GREEN | 12 | Bassetlaw SS | 3:00.01 |
| 5 | 17 | Morgan FARRAR | 13 | Co Lincoln P | 3:10.00 |
| 6 | 15 | Oliver WILLIS | 15 | Bircotes SC | 3:14.00 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 22 | Jacob BRIERS | 14 | Deepings | 2:50.01 |
| 2 | 24 | Ben LORD | 17 | Co Lincoln P | 2:45.28 |
| 3 | 26 | Jacob HAMBLEN | 17 | Derventio | 2:28.82 |
| 4 | 25 | Harry BRANCHAM | 16 | Bassetlaw SS | 2:31.72 |
| 5 | 23 | Noah VAN HOOREBEEK | 15 | Eckington | 2:49.64 |
| 6 | 21 | Zachary DRAYSON | 13 | Derventio | 2:52.06 |