Boys 15 Yrs/Over 100m Butterfly - Heats
15 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Harry Milne | 15 | Repton | | 1:04.31 | | | 454 | | 31.01 |
| 2. | Oliver Henshaw | 15 | BelperMarlin | | 1:04.52 | | | 450 | | 31.08 |
| 3. | Oliver Stone | 15 | Ripley | | 1:04.67 | | | 447 | | 30.45 |
| 4. | Sam Macer | 15 | Repton | | 1:06.64 | | | 408 | | 30.78 |
| 5. | Andrew Edgar | 15 | Chesterfield | | 1:08.41 | | | 377 | | 31.97 |
| 6. | Dylan Jamieson | 15 | Repton | | 1:09.72 | | | 356 | | 32.59 |
| 7. | Beau Birtles | 15 | Chesterfield | | 1:12.62 | | | 315 | | 32.57 |
| 8. | Jack Bainbridge | 15 | Chesterfield | | 1:14.01 | | | 298 | | 33.47 |
| 9. | Jai Dhillon | 15 | DerbyPhoenix | | 1:17.69 | | | 257 | | 36.05 |
| 10. | Benjamin Cami | 15 | Long Eaton | | 1:20.38 | | | 232 | | 36.99 |
| 11. | Riley Errington | 15 | Swadlincote | | 1:22.95 | | | 211 | | 36.64 |
16 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Oliver Osborne | 16 | Long Eaton | | 1:02.38 | | | 498 | | 28.74 |
| 2. | Sebastian Ebanks | 16 | Co Derby | | 1:04.08 | | | 459 | | 29.01 |
| 3. | Noah Van Hoorebeek | 16 | Eckington | | 1:04.99 | | | 440 | | 30.51 |
| 4. | Christopher Oliver | 16 | Long Eaton | | 1:09.64 | | | 358 | | - |
| 5. | Harry Maskrey | 16 | BelperMarlin | | 1:10.78 | | | 341 | | 31.24 |
| 6. | Sergei Kulev | 16 | Rykneld | | 1:14.86 | | | 288 | | 32.63 |
| 7. | James Duggan | 16 | Swadlincote | | 1:14.94 | | | 287 | | 32.32 |
17 Yrs/Over Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Joshua Bailye | 18 | Repton | | 58.21 | | | 613 | | 27.53 |
| 2. | Leo Pollock | 17 | Repton | | 58.36 | | | 608 | | 28.07 |
| 3. | Ezra Lambert | 17 | Repton | | 1:00.44 | | | 547 | | 28.23 |
| 4. | Benjamin Twynham | 18 | Co Derby | | 1:00.75 | | | 539 | | 28.25 |
| 5. | G Sierra Villegas | 18 | Chesterfield | | 1:03.65 | | | 468 | | 29.06 |
| 6. | Flynn Mulligan | 18 | Repton | | 1:04.46 | | | 451 | | 30.37 |
| 7. | Carl Kirsopp | 26 | Rykneld | | 1:06.26 | | | 415 | | 30.10 |
| 8. | Nathan Morgan | 17 | Repton | | 1:08.06 | | | 383 | | 31.07 |
| 9. | Jacob Helps | 17 | Repton | | 1:08.70 | | | 372 | | 30.58 |
| 10. | Callum Burch | 17 | Matlock | | 1:09.42 | | | 361 | | 31.21 |
| 11. | Joshua Bestwick | 23 | DerbyPhoenix | | 1:09.46 | | | 360 | | 32.44 |
| 12. | Sam Robertson | 17 | Swadlincote | | 1:10.82 | | | 340 | | 32.89 |
| 13. | Samuel Hurst | 20 | Etwall | | 1:11.95 | | | 324 | | 34.55 |
| 14. | Ewan Ascott | 18 | Long Eaton | | 1:13.31 | | | 306 | | 32.44 |
| 15. | Taylor Reeves | 18 | Swadlincote | | 1:13.32 | | | 306 | | 35.28 |
| | Matthew Foreman | 17 | Buxton | | DNC | | | | | |
| | N Miller-Walters | 19 | BelperMarlin | | DNC | | | | | |
