EVENT 18 Boy 10/13 Yrs 50m Butterfly - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Daniel OLIVER | 12 | Dronfield | 1:08.45 |
| 2 | 4 | Dexter STANTON | 11 | Dronfield | 1:03.99 |
| 3 | 6 | Joseph THROP | 12 | Dronfield | 59.27 |
| 4 | 5 | Aidan SKERROW | 11 | Dronfield | 1:00.46 |
| 5 | 3 | Joshua GRIFFIN | 11 | Dronfield | 1:07.69 |
| 6 | 1 | William GAUNT | 12 | Dronfield | 1:11.62 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 8 | Noah CROOK | 11 | Dronfield | 52.46 |
| 2 | 10 | Thomas ADAMS | 12 | Dronfield | 47.00 |
| 3 | 12 | Toben UGONNA | 12 | Dronfield | 44.46 |
| 4 | 11 | Matthew OLIVER | 13 | Dronfield | 46.26 |
| 5 | 9 | Finley LAYBERRY-SMITH | 13 | Dronfield | 48.68 |
| 6 | 7 | Oliver TAYLOR | 10 | Dronfield | 57.60 |