EVENT 103 Boys 10/12 Yrs 100m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Thomas White | 10 | Arnold | 3:17.59 |
| 3 | 2 | James Casewell | 10 | Ledbury | 3:17.18 |
| 4 | 3 | Ethan Lawton | 11 | Newcastle St | 1:32.05 |
| 5 | 4 | Brad Price | 11 | Bilston | 1:31.55 |
| 6 | 5 | Lewis McGarry | 11 | Boston | 1:30.49 |
| 7 | 6 | William Barber | 11 | Lincoln Vulc | 1:28.73 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 7 | Matthew Shipley | 11 | Nova Cent'n | 1:27.98 |
| 2 | 8 | Owen Ottaway | 11 | Nova Cent'n | 1:27.76 |
| 3 | 9 | Luca Formosa | 12 | Nova Cent'n | 1:25.07 |
| 4 | 10 | Joel Weston | 12 | Co Leicester | 1:24.92 |
| 5 | 11 | Benjamin Black | 12 | Co Coventry | 1:24.90 |
| 6 | 12 | James Cuthbert | 12 | Halesowen | 1:24.67 |
| 7 | 13 | Tom Page | 12 | Redditch | 1:23.99 |
| 8 | 14 | Jakob Baker | 12 | Halesowen | 1:23.85 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 16 | Joshua Munroe | 12 | Co Leicester | 1:23.13 |
| 2 | 18 | Gregory Butler | 12 | Newcastle St | 1:22.95 |
| 3 | 20 | Matthew Cross | 12 | Derventio | 1:20.27 |
| 4 | 22 | Matthew Holt | 12 | Derventio | 1:17.80 |
| 5 | 21 | Tyler McLean | 12 | Ellesmere Co | 1:19.00 |
| 6 | 19 | William Hawkes | 11 | Grantham | 1:22.66 |
| 7 | 17 | Stephen Taylor | 11 | Northampton | 1:23.10 |
| 8 | 15 | Alasdair Wicks | 12 | Leic Peng | 1:23.40 |