EVENT 529 Men 10/12 Yrs 100m Backstroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Sam James | 11 | Nene Valley | 1:55.81 |
| 2 | 5 | Charlie Husbands | 10 | Wellingboro | 1:44.85 |
| 3 | 9 | Jakub Siedlak | 12 | Corby | 1:35.05 |
| 4 | 13 | James Oscroft | 10 | Northampton | 1:31.00 |
| 5 | 11 | Jack Webb | 12 | Wellingboro | 1:33.48 |
| 6 | 7 | Daniel Rees | 12 | Daventry | 1:35.61 |
| 7 | 3 | Cameron Hughes | 11 | Wellingboro | 1:49.97 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 2 | Dexter Griggs-Sealy | 11 | Wellingboro | 1:55.15 |
| 2 | 6 | Rahul Reedha | 10 | Corby | 1:41.24 |
| 3 | 10 | Daniel Mustata | 12 | Corby | 1:34.23 |
| 4 | 14 | Jack Tindle | 11 | Northampton | 1:29.66 |
| 5 | 12 | Owen Hemmings-Kneller | 12 | Wellingboro | 1:33.09 |
| 6 | 8 | Noah Patterson | 10 | Wellingboro | 1:35.32 |
| 7 | 4 | Oscar Venn | 11 | Northampton | 1:47.56 |