EVENT 403 Mens Open 50m Breaststroke - Heats
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 1 | Szymon PSIUK | 17 | Co Leicester | 32.05 |
| 4 | 3 | Nico WINKLER | 18 | Northampton | 32.00 |
| 5 | 2 | William BRIGHTY | 16 | Melton M'bry | 32.05 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 5 | Thomas WHITE | 15 | Nova Cent'n | 31.90 |
| 2 | 7 | Stephen TAYLOR | 16 | Ellesmere Co | 31.80 |
| 3 | 9 | Caleb O'BRIEN | 16 | Corby | 31.60 |
| 4 | 11 | Jamie KETTLE | 17 | Co Leicester | 31.50 |
| 5 | 10 | Billy WOTTON | 14 | Ellesmere Co | 31.58 |
| 6 | 8 | Luke MARGETSON | 16 | NottmLeander | 31.70 |
| 7 | 6 | Ross BALDERSON | 17 | Wellingboro | 31.80 |
| 8 | 4 | Thomas BLOOR | 17 | Boldmere | 31.99 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Joshua CURTIS | 15 | Braunstone | 31.10 |
| 2 | 21 | Ryan LARKIN | 16 | Halesowen | 30.90 |
| 3 | 27 | Samuel NEELD | 17 | Wrekin Coll | 29.90 |
| 4 | 33 | Joshua HOROBIN | 18 | BelperMarlin | 29.30 |
| 5 | 30 | James BRETT | 15 | Braunstone | 29.90 |
| 6 | 24 | Joshua PEMBERTON | 17 | Derventio | 30.50 |
| 7 | 18 | Hedley BUTLIN | 18 | Co Lincoln P | 31.04 |
| 8 | 12 | Philip WARREN | 18 | Team Mercia | 31.50 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 16 | Lewis JONES | 15 | Chase | 31.10 |
| 2 | 22 | Toby ARNOLD | 16 | Derventio | 30.80 |
| 3 | 28 | James ARDRON | 22 | Braunstone | 29.90 |
| 4 | 34 | Gregory BUTLER | 17 | Co Derby | 28.60 |
| 5 | 31 | Daniel SAVAGE | 17 | Northampton | 29.85 |
| 6 | 25 | William SLAWSON | 20 | Wrekin Coll | 30.40 |
| 7 | 19 | Marcus EATON | 23 | Rushden | 31.00 |
| 8 | 13 | Louis METSELAAR | 15 | Deepings | 31.20 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Campbell STEPHEN | 16 | Co Derby | 31.10 |
| 2 | 23 | Samuel HALL | 17 | Worcester | 30.50 |
| 3 | 29 | Rhys TAYLOR | 17 | Nova Cent'n | 29.90 |
| 4 | 35 | Chris STEEPLES | 25 | Derventio | 27.00 |
| 5 | 32 | Josh BRADLEY | 24 | Halesowen | 29.50 |
| 6 | 26 | Aaron FLYNN | 27 | Wellingboro | 30.30 |
| 7 | 20 | Jacob ELLIOTT | 15 | Bromsgrove | 30.90 |
| 8 | 14 | Jackson O'ROURKE | 15 | Northampton | 31.20 |