EVENT 604 Boys Open 100m Breaststroke - Heats
Not Competing : 7,11
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Oliver Barnetson | 10 | Bo Southend | 1:38.99 |
| 3 | 3 | Guy Muncer | 10 | Harpenden | 1:41.68 |
| 4 | 5 | Eoin Compton | 10 | Team Luton | 1:38.56 |
| 5 | 4 | Freddie Symonds | 10 | Team Luton | DN:C . |
| 6 | 2 | Myles English | 10 | Braintree | DN:C . |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 8 | Tommy Chandler | 10 | Gt Yarmouth | 1:35.66 |
| 2 | 10 | Ayotobi Laguda | 10 | Stevenage | 1:48.41 |
| 3 | 13 | Noah Townley | 10 | Bo Southend | 1:37.66 |
| 4 | 15 | Harvey Norman | 11 | Co Peterboro | 1:30.96 |
| 5 | 14 | Samuel Perks | 10 | Chelmsford | 1:36.99 |
| 6 | 12 | Elliotte Ledger | 10 | Co Peterboro | 1:37.78 |
| 7 | 9 | Samuel Dack | 10 | DunmowAtlant | 1:44.29 |
| 8 | 6 | James Speers | 10 | Thurrock | 1:46.56 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Nathan Swift | 11 | Team Luton | 1:41.58 |
| 2 | 19 | James Moncur-Brown | 12 | UEA Norwich | 1:24.41 |
| 3 | 21 | Fraser Ryan | 12 | Dereham | 1:26.97 |
| 4 | 23 | Reese Housden | 11 | Hatfield | 1:26.65 |
| 5 | 22 | Miles Drabwell | 12 | Linslade | 1:25.13 |
| 6 | 20 | Harvey Jolly | 12 | Basildon Ph | 1:28.92 |
| 7 | 18 | Jack Riches | 11 | UEA Norwich | 1:31.16 |
| 8 | 16 | Mason Brand | 11 | Berkhamsted | 1:34.71 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 25 | Ben Harrison | 12 | Potters Bar | 1:24.27 |
| 2 | 27 | Alex Walmsley | 12 | teamipswich | 1:23.02 |
| 3 | 29 | Myles Turner | 12 | West Suffolk | 1:27.30 |
| 4 | 31 | Zhi Ong | 13 | Co St Albans | 1:20.10 |
| 5 | 30 | Morgan Newman | 12 | Potters Bar | 1:20.59 |
| 6 | 28 | Samuel Peck | 12 | Little Fish | 1:24.39 |
| 7 | 26 | Thomas Beagley | 12 | Deben | 1:21.17 |
| 8 | 24 | Nicholas Perkins | 12 | UEA Norwich | 1:30.98 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 33 | Louis Spong | 13 | DunmowAtlant | 1:31.47 |
| 2 | 35 | Patrick Keaveney | 13 | Modernians | 1:21.76 |
| 3 | 37 | Oliver Taverner | 12 | Watford SC | 1:21.70 |
| 4 | 39 | Sydney Newnham-Stebbin | 14 | Lstoft & OB | 1:17.92 |
| 5 | 38 | Lewis Pope | 14 | Cheshunt | 1:18.13 |
| 6 | 36 | Alexander Stoner | 13 | UEA Norwich | 1:21.20 |
| 7 | 34 | Llywelyn Wake | 13 | Modernians | 1:25.49 |
| 8 | 32 | Sam Parker | 13 | Hatfield | 1:18.91 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 41 | George Bennett | 14 | UEA Norwich | 1:20.45 |
| 2 | 43 | George Rodger | 14 | Team Luton | 1:20.02 |
| 3 | 45 | Joshua Goncalves | 14 | Co Cambridge | 1:17.74 |
| 4 | 47 | Ole Mills | 14 | Chelmsford | 1:16.03 |
| 5 | 46 | Byron Wood | 14 | Runnymede | 1:16.18 |
| 6 | 44 | Liam Murphy | 14 | Dereham | 1:18.13 |
| 7 | 42 | Leyton Berrey | 13 | UEA Norwich | 1:19.57 |
| 8 | 40 | George Laing | 14 | Co Cambridge | 1:18.96 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 49 | Jordan Rudge | 13 | Braintree | 1:22.17 |
| 2 | 51 | Daniel Orcutt | 14 | West Suffolk | 1:17.20 |
| 3 | 53 | Nathan Hughes | 12 | Hatfield | 1:17.21 |
| 4 | 55 | Harry Parker | 14 | Hatfield | 1:16.78 |
| 5 | 54 | Michael Revell | 14 | Hatfield | 1:15.89 |
| 6 | 52 | Harry Wagner | 14 | Mildenhall | 1:18.50 |
| 7 | 50 | Cameron James Simpson | 14 | Colchester | 1:18.60 |
| 8 | 48 | Keenan Stokes | 14 | UEA Norwich | 1:17.32 |