EVENT 110 Boys 12/13 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 2 | Ashley Lucas | 13 | Northants | 1:03.26 |
| 1 | 4 | Alexander Cooper | 12 | Berks&SBucks | 1:02.50 |
| 2 | 6 | Louis Walker | 13 | Essex | 1:01.66 |
| 3 | 8 | Aidan Pilcher | 13 | Suffolk | 1:01.25 |
| 4 | 10 | Duncan Young | 13 | Scot West | 1:00.30 |
| 5 | 9 | Aaron Nakamura-Drew | 13 | Devon | 1:01.25 |
| 6 | 7 | Charlie Rowe | 13 | Dorset | 1:01.53 |
| 7 | 5 | Dylan Gwynne-Jones | 13 | Swim Wales W | 1:01.76 |
| 8 | 3 | Nikita McLean | 13 | Scot East | 1:02.96 |
| 9 | 1 | William Poyser | 13 | Leics | 1:03.45 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 12 | Alexander Coyle | 13 | Middlesex | 59.82 |
| 1 | 14 | Oskar Farkas | 13 | Cambs | 58.68 |
| 2 | 16 | R Rowbotham-Keating | 13 | Lancashire | 58.45 |
| 3 | 18 | Archie Hawkins | 13 | Kent | 58.42 |
| 4 | 20 | Mackenzie Russell | 13 | Surrey | 57.82 |
| 5 | 19 | William Baines | 13 | N & Durham | 58.27 |
| 6 | 17 | Sunni Johnson | 13 | Ox & N Bucks | 58.44 |
| 7 | 15 | Curtis Harper | 13 | Yorkshire | 58.53 |
| 8 | 13 | Jacob Whibley | 13 | Somerset | 59.55 |
| 9 | 11 | Carwyn Jones | 12 | Swim Wales E | 59.90 |