EVENT 306 Boys Open 200m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 3 | 1 | GEORGE WOODHEAD | 9 | | Retford | 4:51.15 |
| 4 | 3 | SEBASTIAN BRIGGS | 12 | | Swadlincote | 4:20.76 |
| 5 | 2 | TOBY WADE | 11 | | Co Sheffield | 4:24.01 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 5 | LUKE PARSONS | 14 | | Lincoln TSA | 4:13.40 |
| 2 | 7 | MAXIM BOCHARNIKOV | 10 | | Derby Excel | 4:02.00 |
| 3 | 9 | SIDNEY STEWART | 12 | | Co Sheffield | 3:57.30 |
| 4 | 11 | MAX SMITH | 10 | | Co Sheffield | 3:53.30 |
| 5 | 10 | HENRY ALEXANDER | 10 | | Co Sheffield | 3:54.10 |
| 6 | 8 | DANIEL CHARLTON | 10 | | Hucknall | 3:58.62 |
| 7 | 6 | ELIAS JONES | 11 | | Co Sheffield | 4:11.90 |
| 8 | 4 | JACOB BRICKNELL | 13 | | Hucknall | 4:18.92 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 13 | CAIDEN MATTISON | 12 | | Sherwood | 3:43.48 |
| 2 | 15 | FINLEY WILKES | 11 | | Sherwood | 3:36.40 |
| 3 | 17 | ERNESTO GARCIA | 11 | | Co Sheffield | 3:30.37 |
| 4 | 19 | THOMAS ADAMS | 12 | | Dronfield | 3:25.60 |
| 5 | 18 | KAI GELSTHORPE | 17 | SB9 | Derby Excel | 3:26.40 |
| 6 | 16 | JOEL VICKERS-WRIGHT | 13 | | Chesterfield | 3:34.80 |
| 7 | 14 | FREDERICK WILLIAMS | 11 | | Eckington | 3:39.60 |
| 8 | 12 | REUBEN CANETTI | 11 | | Chesterfield | 3:52.90 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 21 | OLIVER SHOOTER | 12 | | Sherwood | 3:11.70 |
| 2 | 23 | QUINN COPPEN | 14 | | Long Eaton | 2:57.04 |
| 3 | 25 | MAXWELL MILLINGTON | 13 | | Sherwood | 2:52.10 |
| 4 | 27 | YURY BOCHARNIKOV | 42 | | Derby Excel | 2:41.30 |
| 5 | 26 | NOAH VAN HOOREBEEK | 15 | | Chesterfield | 2:42.26 |
| 6 | 24 | HAYDEN HUDSON | 12 | | Chesterfield | 2:56.09 |
| 7 | 22 | RICHARD LEE | 14 | | Co Sheffield | 3:02.99 |
| 8 | 20 | OLIVER SMITH | 10 | | Repton | 3:17.29 |