EVENT 506 Mens Open 50m Butterfly - Heats
Not Competing : 20,33,35
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 3 | 2 | Liam HALL | 18 | Watford SC | 27.50 |
| 4 | 4 | Harry WEARS | 16 | Leighton Buz | 27.37 |
| 5 | 3 | George BORTHWICK | 17 | Flitwick | 27.46 |
| 6 | 1 | Mathew THOMPSON | 17 | Chelmsford | 27.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 6 | Mason ARNOLD | 16 | Harlow Pen | 27.30 |
| 2 | 8 | Jack ANDREW | 15 | teamipswich | 27.20 |
| 3 | 10 | Frederick WOODCOCK | 17 | Hemel Hemp | 27.11 |
| 4 | 12 | Stuart CLARKE | 30 | Bishop Stort | 27.10 |
| 5 | 11 | Sonny FORD | 18 | Basildon Ph | 27.10 |
| 6 | 9 | Harry ROBINSON | 16 | Co Cambridge | 27.18 |
| 7 | 7 | Liam CURRAN | 15 | Co St Albans | 27.20 |
| 8 | 5 | Jay MUNKLEY | 20 | Hertsmere | 27.35 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 16 | Jamie MCLAUGHLIN | 17 | DunmowAtlant | 26.90 |
| 2 | 23 | Antony COOMBE | 17 | Co Peterboro | 26.50 |
| 3 | 29 | Isaac KIRBY | 16 | UEA Norwich | 25.90 |
| 4 | 37 | Caleb HUGHES | 18 | Hatfield | 25.36 |
| 5 | 32 | Liam DOONAN | 18 | Co Cambridge | 25.80 |
| 6 | 26 | Regan LLOYD | 17 | teamipswich | 26.10 |
| 7 | 19 | Hugo JOHNSON | 15 | Bo Southend | 26.70 |
| 8 | 13 | Robert ALAND | 18 | teamipswich | 26.97 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Aidan ROBINSON | 17 | Basildon Ph | 26.90 |
| 2 | 24 | Charlie POND THOMPSON | 20 | Hatfield | 26.40 |
| 3 | 30 | Sonny TRIGG | 18 | teamipswich | 25.80 |
| 4 | 38 | Richard JEFFERIES | 19 | Co Cambridge | 25.30 |
| 5 | 34 | Kevin PICKARD | 26 | Hatfield | 25.60 |
| 6 | 27 | Liam BARNETT | 26 | Co Cambridge | 26.00 |
| 7 | 21 | Oliver PERRY | 15 | Co St Albans | 26.69 |
| 8 | 14 | Justin LANGFORD | 24 | Tring | 26.90 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 18 | Harry PARKER | 15 | Hatfield | 26.80 |
| 2 | 25 | Danny PROFFITT | 19 | West Suffolk | 26.13 |
| 3 | 31 | Angelos KOUSOUNIS | 18 | UEA Norwich | 25.80 |
| 4 | 39 | Jack BURCHELL | 20 | Hitchin | 25.20 |
| 5 | 36 | Barton TOWNLEY | 17 | Bo Southend | 25.40 |
| 6 | 28 | Oliver MALTBY | 16 | Modernians | 25.92 |
| 7 | 22 | Modestas MOCKEVICIUS | 16 | Bo Southend | 26.60 |
| 8 | 15 | Jordan BATSON | 18 | Putteridge | 26.90 |