EVENT 403 Boys Open 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 2 | 1 | HUGO TAYLOR | 10 | | Chesterfield | |
| 3 | 3 | WILLIAM SMITH | 9 | | Derby Excel | 2:30.00 |
| 4 | 5 | S SHESHADRI KAUNDINYA | 9 | | Derby Excel | 2:25.00 |
| 5 | 4 | GEORGE WOODHEAD | 9 | | Retford | 2:29.75 |
| 6 | 2 | LUQMAN ABDI | 13 | SB6 | Co Coventry | 3:56.20 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 7 | OLIVER HEIGHINGTON | 10 | | Derby Excel | 2:19.80 |
| 2 | 9 | OSCAR GOULD | 10 | | Buxton | 2:15.00 |
| 3 | 11 | JONAH HAWKSWORTH | 9 | | Derby Excel | 2:10.00 |
| 4 | 13 | NATHAN MORRISON | 9 | | Hucknall | 2:08.66 |
| 5 | 12 | EDWARD ALDRED | 11 | | Buxton | 2:09.93 |
| 6 | 10 | XANDER ARBON | 11 | | Retford | 2:10.25 |
| 7 | 8 | BENJAMIN GILBERT | 9 | | Chesterfield | 2:17.00 |
| 8 | 6 | RAFE GREAVES | 9 | | Co Sheffield | 2:21.47 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 15 | ALASTAIR MORRISON | 11 | | Hucknall | 2:04.67 |
| 2 | 17 | TOBY WADE | 11 | | Co Sheffield | 2:04.30 |
| 3 | 19 | LUKE PARSONS | 14 | | Lincoln TSA | 1:55.50 |
| 4 | 21 | JAMES GARNER | 11 | | Buxton | 1:53.89 |
| 5 | 20 | MAXIM BOCHARNIKOV | 10 | | Derby Excel | 1:54.60 |
| 6 | 18 | SEBASTIAN BRIGGS | 12 | | Swadlincote | 2:01.97 |
| 7 | 16 | HARRY THOMAS | 12 | | DerbyPhoenix | 2:04.60 |
| 8 | 14 | JAMES LEE | 10 | | Derby Excel | 2:04.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 23 | JOSHUA MORGAN | 13 | | Hucknall | 1:52.53 |
| 2 | 25 | NIKON KOPAC | 11 | | Sherwood | 1:52.06 |
| 3 | 27 | COREY HESELTINE | 11 | | Retford | 1:50.40 |
| 4 | 29 | ELIAS JONES | 11 | | Co Sheffield | 1:49.40 |
| 5 | 28 | DANIEL CHARLTON | 10 | | Hucknall | 1:49.80 |
| 6 | 26 | DEXTER GROCOCK | 11 | | Co Sheffield | 1:51.52 |
| 7 | 24 | CODY BASSETT | 11 | | Buxton | 1:52.49 |
| 8 | 22 | HENRY ALEXANDER | 10 | | Co Sheffield | 1:52.80 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 31 | REUBEN CANETTI | 11 | | Chesterfield | 1:47.60 |
| 2 | 33 | ISAAC EBANKS | 12 | | Derby Excel | 1:42.26 |
| 3 | 35 | OLIVER KNIGHTS | 12 | | Chesterfield | 1:41.70 |
| 4 | 37 | FINLEY WILKES | 11 | | Sherwood | 1:37.80 |
| 5 | 36 | JOEL VICKERS-WRIGHT | 13 | | Chesterfield | 1:38.70 |
| 6 | 34 | FREDERICK WILLIAMS | 11 | | Eckington | 1:41.90 |
| 7 | 32 | CAIDEN MATTISON | 12 | | Sherwood | 1:46.27 |
| 8 | 30 | ROCCO AMBROSIONI | 12 | | Dronfield | 1:48.41 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 39 | WILLIAM MUSPRATT | 14 | | Chesterfield | 1:33.60 |
| 2 | 41 | JAI DHILLON | 14 | | DerbyPhoenix | 1:31.19 |
| 3 | 43 | OLIVER SHOOTER | 12 | | Sherwood | 1:27.77 |
| 4 | 45 | RICHARD LEE | 14 | | Co Sheffield | 1:23.80 |
| 5 | 44 | JOSHUA CARTWRIGHT | 14 | | Dronfield | 1:26.26 |
| 6 | 42 | NOAH WOOD | 14 | | Sherwood | 1:30.69 |
| 7 | 40 | PETER WILSON | 14 | | Buxton | 1:32.21 |
| 8 | 38 | THOMAS ADAMS | 12 | | Dronfield | 1:36.70 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Cat | Club | Time |
| 1 | 47 | MATTHEW FOREMAN | 16 | | Buxton | 1:22.25 |
| 2 | 49 | QUINN COPPEN | 14 | | Long Eaton | 1:18.98 |
| 3 | 51 | YURY BOCHARNIKOV | 42 | | Derby Excel | 1:14.56 |
| 4 | 53 | MARC JOURDAIN | 15 | | Buxton | 1:13.66 |
| 5 | 52 | JAMES RYALL | 16 | | Co Sheffield | 1:14.20 |
| 6 | 50 | MAXWELL MILLINGTON | 13 | | Sherwood | 1:18.70 |
| 7 | 48 | HAYDEN HUDSON | 12 | | Chesterfield | 1:19.60 |
| 8 | 46 | HARRY ASTON | 14 | | Etwall | 1:22.31 |