EVENT 205 Mens Open 100m Breaststroke - Heats
Not Competing : 13,20,37
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 3 | 1 | Gareth ORR | 20 | SB14 | Co Peterboro | 1:26.28 |
| 4 | 3 | Harry WAGNER | 15 | | Mildenhall | 1:14.45 |
| 5 | 2 | Sydney NEWNHAM-STEBBIN | 15 | | Lstoft & OB | 1:14.56 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 5 | Edward BRIARS | 16 | | West Suffolk | 1:14.30 |
| 2 | 7 | Liam MURPHY | 15 | | Dereham | 1:13.95 |
| 3 | 9 | Archie HOLMAN | 15 | | West Norfolk | 1:13.82 |
| 4 | 11 | Calvin COE | 16 | | Stowmarket | 1:13.59 |
| 5 | 10 | Thomas HALL | 20 | | Watford SC | 1:13.74 |
| 6 | 8 | Ryan JARVIS | 15 | | Team Luton | 1:13.91 |
| 7 | 6 | Thomas BUCKLE | 16 | | West Suffolk | 1:14.22 |
| 8 | 4 | George RODGER | 15 | | Team Luton | 1:14.44 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 14 | Martin RUSSELL-ROGERS | 16 | | Hitchin | 1:12.85 |
| 2 | 16 | George LAING | 15 | | Co Cambridge | 1:12.71 |
| 3 | 18 | Matthew MCLAUGHLIN | 20 | | DunmowAtlant | 1:12.53 |
| 4 | 21 | Jack MCGARRY | 20 | | Leighton Buz | 1:12.24 |
| 5 | 19 | Thomas FREWIN | 17 | | Tring | 1:12.41 |
| 6 | 17 | Alasdair KERR | 20 | | Biggleswade | 1:12.64 |
| 7 | 15 | Jack HOWLETT | 17 | | Harwich DP | 1:12.85 |
| 8 | 12 | Ben RANSOME | 16 | | Hertford | 1:13.30 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 25 | Keenan STOKES | 15 | | UEA Norwich | 1:11.32 |
| 2 | 31 | Ethan FARRELL | 16 | | Hatfield | 1:10.63 |
| 3 | 38 | Thomas WILLIAMS | 29 | | Sudbury | 1:07.80 |
| 4 | 44 | Benjamin PURCELL | 16 | | Hatfield | 1:05.72 |
| 5 | 41 | Robert LANCASTER | 17 | | teamipswich | 1:07.10 |
| 6 | 34 | James NEWTON | 16 | | Co Peterboro | 1:09.82 |
| 7 | 28 | Thomas SARAH | 19 | | Co Cambridge | 1:11.05 |
| 8 | 22 | Cameron SIMPSON | 15 | | Colchester | 1:12.06 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 26 | Ashley TRENT | 16 | | Co Cambridge | 1:11.16 |
| 2 | 32 | Christopher GREENHALGH | 18 | | Sudbury | 1:10.53 |
| 3 | 39 | Ethan LAMB | 17 | | Hatfield | 1:07.70 |
| 4 | 45 | Isaac KIRBY | 16 | | UEA Norwich | 1:05.10 |
| 5 | 42 | Brandon NABARRO | 17 | | Modernians | 1:06.50 |
| 6 | 35 | Thomas ARKLE | 17 | | St Felix Sch | 1:09.47 |
| 7 | 29 | Peter HENSMAN | 17 | | Co St Albans | 1:11.02 |
| 8 | 23 | Byron WOOD | 15 | | Runnymede | 1:12.01 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 27 | Ryan SYKES | 18 | | West Norfolk | 1:11.09 |
| 2 | 33 | Graeham DOUGLAS | 26 | | Cambridge Un | 1:10.30 |
| 3 | 40 | Lee PETERSON | 40 | | Braintree | 1:07.14 |
| 4 | 46 | Lewis CLIFFORD-STEPHES | 20 | | Basildon Ph | 1:02.50 |
| 5 | 43 | Ryan CLAY | 18 | | teamipswich | 1:06.09 |
| 6 | 36 | Nicholas STALLEY | 16 | | Modernians | 1:08.15 |
| 7 | 30 | Ole MILLS | 15 | | Chelmsford | 1:10.64 |
| 8 | 24 | Matthew ALDOUS-HORNE | 18 | | Bishop Stort | 1:11.66 |