EVENT 414 Mens 100m Breaststroke - Heats
Not Competing : 33,52
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 1 | Austin LILLYWHITE | 12 | Biggleswade | 1:32.55 |
| 2 | 3 | Samuel BULLINGHAM | 12 | West Suffolk | 1:31.83 |
| 3 | 5 | Nathan COCKCROFT | 12 | Bo Southend | 1:31.00 |
| 4 | 7 | Alessandro RIODA | 11 | Harlow Pen | 1:30.20 |
| 5 | 6 | Ben HARDY | 12 | Colchester | 1:30.28 |
| 6 | 4 | James DILLON | 12 | Basildon Ph | 1:31.82 |
| 7 | 2 | Alfie FRANCIS | 12 | Potters Bar | 1:31.89 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Louis ARMITAGE | 12 | Berkhamsted | 1:30.15 |
| 2 | 11 | Owen VAUGHAN | 12 | Chelmsford | 1:29.34 |
| 3 | 13 | Harrison JARVIS | 11 | Thurrock | 1:28.71 |
| 4 | 15 | Cameron WOLSTENCROFT | 12 | Co Cambridge | 1:28.63 |
| 5 | 14 | William PESTELL | 12 | Colchester | 1:28.68 |
| 6 | 12 | Callum STEDMAN | 12 | Dereham | 1:28.76 |
| 7 | 10 | Robert ADDIS | 11 | West Norfolk | 1:29.39 |
| 8 | 8 | Henry NEWELL | 12 | Newmarket | 1:30.20 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Lewis SHAYLER | 12 | Watford SC | 1:28.24 |
| 2 | 19 | Harry SWANN | 11 | Lstoft & OB | 1:26.43 |
| 3 | 21 | Samuel DACK | 13 | DunmowAtlant | 1:26.06 |
| 4 | 23 | Tolu ELESIN | 13 | Hertsmere | 1:25.92 |
| 5 | 22 | Jack BROWN | 12 | Co Peterboro | 1:25.95 |
| 6 | 20 | Yannik WILSON | 13 | Harpenden | 1:26.10 |
| 7 | 18 | James QUINN | 11 | St Ives | 1:27.83 |
| 8 | 16 | Oliver BROWN | 12 | Co Peterboro | 1:28.53 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 25 | Joshua BRISTOW | 13 | Modernians | 1:24.80 |
| 2 | 27 | Owen WEBSTER | 12 | St Felix Sch | 1:24.30 |
| 3 | 29 | Finn JEFFERY | 12 | St Felix Sch | 1:24.09 |
| 4 | 31 | Kai BORROMEO | 13 | Flitwick | 1:23.80 |
| 5 | 30 | Callum WRIGHT | 13 | Harlow Pen | 1:23.86 |
| 6 | 28 | Samuel PERKS | 13 | Chelmsford | 1:24.27 |
| 7 | 26 | Pratham SHETTY | 13 | Runnymede | 1:24.48 |
| 8 | 24 | Jonathan SCOTT | 13 | Chelmsford | 1:25.55 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 34 | Kieran MCCARTHY | 13 | Co St Albans | 1:23.70 |
| 2 | 36 | Freddie LAWS | 12 | West Norfolk | 1:23.30 |
| 3 | 38 | Oliver CASHIN | 13 | Co Cambridge | 1:21.76 |
| 4 | 40 | Samuel SKUSE | 14 | Beccles Town | 1:21.09 |
| 5 | 39 | Tyler THOMAS | 13 | Chatteris | 1:21.53 |
| 6 | 37 | Sam PERKINS | 13 | teamipswich | 1:23.08 |
| 7 | 35 | Lewis MOORE | 13 | Deben | 1:23.59 |
| 8 | 32 | Freddie SYMONDS | 13 | Team Luton | 1:23.80 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 44 | Ralph MUNCER | 14 | Co St Albans | 1:20.20 |
| 2 | 50 | Maxim DE WILDT | 14 | Co Cambridge | 1:18.98 |
| 3 | 57 | Charles RENNIE | 14 | Braintree | 1:16.29 |
| 4 | 63 | Joe WELCH | 14 | Co Peterboro | 1:14.10 |
| 5 | 60 | Nathan SWIFT | 14 | Team Luton | 1:15.70 |
| 6 | 54 | Jamie COLES | 14 | Colchester | 1:17.83 |
| 7 | 47 | Tommy CHANDLER | 13 | Norwich Swan | 1:19.68 |
| 8 | 41 | Taylor BOWEN | 14 | West Suffolk | 1:20.84 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 45 | Fraser RYAN | 14 | Norwich Swan | 1:20.18 |
| 2 | 51 | Lewis CUTTING | 14 | Thurrock | 1:18.65 |
| 3 | 58 | Samuel BRYAN | 14 | Basildon Ph | 1:16.01 |
| 4 | 64 | Reese HOUSDEN | 13 | Hatfield | 1:11.19 |
| 5 | 61 | Cole JAMES | 14 | Hatfield | 1:15.28 |
| 6 | 55 | Mason BRAND | 14 | Berkhamsted | 1:17.64 |
| 7 | 48 | Mal STAFF | 13 | UEA Norwich | 1:19.58 |
| 8 | 42 | Findlay LIVINGSTONE | 14 | Royston | 1:20.62 |
| Heat Number - 8 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 46 | Jack WIBBERLEY | 14 | Lstoft & OB | 1:20.04 |
| 2 | 53 | John TELENSKY | 14 | Harpenden | 1:18.55 |
| 3 | 59 | Billy LO | 14 | Bo Southend | 1:15.74 |
| 4 | 65 | Charles RAYNER | 14 | Hemel Hemp | 1:09.93 |
| 5 | 62 | Harvey NORMAN | 14 | Co Peterboro | 1:14.57 |
| 6 | 56 | James MCFARLAND | 14 | Mid Beds | 1:16.88 |
| 7 | 49 | Joseph RICHARDSON | 14 | Harpenden | 1:19.20 |
| 8 | 43 | Samuel ROSS | 14 | UEA Norwich | 1:20.28 |