Boy 09 Yrs/Over 100m Butterfly - Heats (Declared Winners)
11 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Noah Dewsnap | 11 | Retford | | 1:27.59 | | | 165 | | 38.61 |
12 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Samuel Green | 12 | Retford | | 1:13.60 | | | 278 | | 36.12 |
| 2. | C Butterell-Quanbrough | 12 | Retford | | 1:22.21 | | | 200 | | - |
| 3. | Thomas Collins | 12 | Retford | | 1:26.63 | | | 170 | | 41.25 |
| 4. | James Thomas | 12 | Gainsborough | | 1:28.03 | | | 162 | | 41.18 |
| 5. | Reuben Meadows | 12 | Retford | | 1:35.69 | | | 126 | | - |
| | Samuel Potter | 12 | Bircotes SC | | DNC | | | | | |
15 Yrs Age Group - Full Results
| Place | Name | AaD | Club | | Time | | | FINA Pt | | 50 |
| 1. | Isaac Shaw | 15 | Newark | | 1:17.77 | | | 236 | | 34.84 |
| | Harry McKeaney | 15 | Sutton | | DNC | | | | | |
