EVENT 101 Boys Open 100m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 2 | 1 | WILLIAM BROADHURST | 11 | Chase | |
| 3 | 2 | HENRY HOUGH | 10 | Chesterfield | |
| 4 | 3 | WILLIAM SMITH | 9 | Derby Excel | 2:45.00 |
| 5 | 4 | OLIVER BURTON | 12 | BelperMarlin | 2:00.00 |
| 6 | 5 | DANIEL TOMOZEI | 11 | Chesterfield | 1:57.47 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 6 | WILLIAM WEBSTER | 10 | Co Sheffield | 1:48.81 |
| 2 | 7 | JACOB ROCCHI | 12 | Co Sheffield | 1:41.60 |
| 3 | 8 | ARCHIE WILSON | 14 | BelperMarlin | 1:41.42 |
| 4 | 9 | JENSEN DAINTY | 11 | Chase | 1:40.86 |
| 5 | 10 | JOSHUA GILBERT | 10 | Chesterfield | 1:40.83 |
| 6 | 11 | ARCHIE JACKSON | 12 | Hucknall | 1:39.68 |
| 7 | 12 | MAX ATTWATER | 12 | Chesterfield | 1:38.40 |
| 8 | 13 | TYLER SHAW | 11 | Derby Excel | 1:37.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 14 | NATHAN MCQUADE | 11 | Cosacss | 1:36.78 |
| 2 | 15 | ELLIS MILLINGTON | 11 | Sherwood | 1:36.22 |
| 3 | 16 | JACK ADSETTS | 10 | Chesterfield | 1:36.20 |
| 4 | 17 | EDWARD GREGORY | 10 | Sherwood | 1:36.20 |
| 5 | 18 | ETHAN WHITE | 15 | Buxton | 1:35.00 |
| 6 | 19 | TIMUR VASILJEVS | 11 | Sherwood | 1:29.37 |
| 7 | 20 | JOZIAH WRIGHT | 13 | Co Sheffield | 1:28.00 |
| 8 | 21 | RYAN CORNISH | 16 | Buxton | 1:26.97 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 23 | JOEL HARBY | 14 | Sherwood | 1:11.45 |
| 2 | 25 | JACK BAINBRIDGE | 14 | Chesterfield | 1:10.80 |
| 3 | 27 | OLIVER GILLOTT | 17 | Dronfield | 1:07.35 |
| 4 | 29 | LEWIS WALL | 15 | Hucknall | 1:05.10 |
| 5 | 28 | KRIS MOODLEY | 20 | NottmLeander | 1:06.31 |
| 6 | 26 | MATTHEW FOREMAN | 16 | Buxton | 1:09.78 |
| 7 | 24 | BEAU BIRTLES | 14 | Chesterfield | 1:11.20 |
| 8 | 22 | MAXWELL MILLINGTON | 13 | Sherwood | 1:13.60 |