EVENT 304 Boys 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Reid HUTCHINS | 9 | Bassetlaw SS | 4:20.32 |
| 2 | 4 | Thomas BULLEN | 12 | Etwall | 4:10.00 |
| 3 | 6 | William WREN | 10 | Rotherham Mo | 4:00.00 |
| 4 | 5 | Oscar DURHAM | 10 | Bassetlaw SS | 4:00.00 |
| 5 | 3 | Luca ROYLE | 11 | Rotherham Mo | 4:19.00 |
| 6 | 1 | Oliver LAW | 10 | Etwall | 4:45.00 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Reid HATCH | 11 | Gainsborough | 3:53.10 |
| 2 | 10 | William NEWMAN-CARTER | 10 | Bassetlaw SS | 3:50.43 |
| 3 | 12 | Jack HATCH | 13 | Gainsborough | 3:44.10 |
| 4 | 11 | Xander ARBON | 12 | Bassetlaw SS | 3:45.00 |
| 5 | 9 | Noeh SMITH | 10 | Bassetlaw SS | 3:51.70 |
| 6 | 7 | Henry SLATER | 13 | Etwall | 3:59.18 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | Brayden LEE | 11 | Etwall | 3:30.42 |
| 2 | 16 | Jacob SMYTH | 15 | Eckington | 3:25.00 |
| 3 | 18 | Oliver CLARKE | 11 | Deepings | 3:21.72 |
| 4 | 17 | Benjamin ASTON | 12 | Etwall | 3:22.41 |
| 5 | 15 | Noah SKINNER | 12 | Deepings | 3:28.37 |
| 6 | 13 | Joseph LAW | 13 | Etwall | 3:40.00 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 20 | Samuel POTTER | 14 | Bassetlaw SS | 3:16.00 |
| 2 | 22 | Jack BELL | 14 | Deepings | 3:08.32 |
| 3 | 24 | Thomas COLLINS | 13 | Bassetlaw SS | 3:07.50 |
| 4 | 23 | Reuben MEADOWS | 13 | Bassetlaw SS | 3:07.60 |
| 5 | 21 | C BUTTERELL-QUANBROUGH | 13 | Bassetlaw SS | 3:13.42 |
| 6 | 19 | Noah DEWSNAP | 12 | Bassetlaw SS | 3:18.70 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 26 | Samuel GREEN | 13 | Bassetlaw SS | 2:57.10 |
| 2 | 28 | Jacob BRIERS | 15 | Deepings | 2:45.05 |
| 3 | 30 | Harry BRANCHAM | 17 | Bassetlaw SS | 2:31.10 |
| 4 | 29 | Jacob HODKINSON | 16 | Bassetlaw SS | 2:39.52 |
| 5 | 27 | Harrison DEEKS | 16 | Rotherham Mo | 2:48.85 |
| 6 | 25 | James THOMAS | 13 | Gainsborough | 3:02.30 |