EVENT 121 Boys 14/15 Yrs 100m Freestyle - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 2 | Albert Karavis | 97 | Berks&SBucks | 56.37 |
| 1 | 4 | Nathan Bentley | 98 | Herts | 56.10 |
| 2 | 6 | Thomas Atkinson | 98 | Notts | 55.70 |
| 3 | 8 | Ciaran Johnson | 98 | Scot West | 54.71 |
| 4 | 10 | Theo Haslam | 98 | Kent | 54.10 |
| 5 | 9 | Sam James | 98 | Cheshire | 54.30 |
| 6 | 7 | Dominic Polling | 97 | Sussex | 55.32 |
| 7 | 5 | Cobus Oosthuizen | 98 | Worcs | 56.10 |
| 8 | 3 | Daniel Davies | 98 | Swim Wales W | 56.16 |
| 9 | 1 | Karl Taylor | 98 | Swim Wales E | 56.66 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 0 | 12 | Oliver Lines | 98 | Ox & N Bucks | 53.70 |
| 1 | 14 | Matthew Bradley | 98 | N & Durham | 53.31 |
| 2 | 16 | Rory Burdin | 98 | Middlesex | 52.16 |
| 3 | 18 | Kyle Chisholm | 97 | Yorkshire | 51.80 |
| 4 | 20 | Lewis Clough | 98 | Lancashire | 50.90 |
| 5 | 19 | Sam Irvine | 97 | Hampshire | 51.56 |
| 6 | 17 | Craig McLean | 98 | Scot East | 52.00 |
| 7 | 15 | James Gillie | 98 | Surrey | 53.00 |
| 8 | 13 | Thomas Sinclair | 98 | Somerset | 53.50 |
| 9 | 11 | Ryan Reader | 98 | Derbyshire | 53.86 |