EVENT 515 Mens 400m Freestyle - Heats
Not Competing : 21,22,26,35,48,57
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 1 | Hayden MILLER | 12 | Braintree | 5:11.57 |
| 3 | 3 | Ryan ROBERTS | 12 | Dunstable | 5:09.94 |
| 4 | 5 | Matthew MONIE | 12 | Co Cambridge | 5:06.96 |
| 5 | 4 | Aidan CLARKSON | 12 | DunmowAtlant | 5:07.80 |
| 6 | 2 | Finn COOPER | 11 | teamipswich | 5:11.39 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 7 | Enzo LIM | 12 | Watford SC | 5:04.98 |
| 2 | 9 | James GISBORNE | 12 | Bishop Stort | 5:03.23 |
| 3 | 11 | Max ROBERTSON | 13 | Hatfield | 4:59.79 |
| 4 | 13 | James ROTHWELL | 13 | Co Peterboro | 4:58.57 |
| 5 | 12 | Matt BESSEY | 13 | Lstoft & OB | 4:58.79 |
| 6 | 10 | Jenson HURRELL | 12 | Thurrock | 5:01.05 |
| 7 | 8 | Harry SHARPE | 12 | West Norfolk | 5:04.90 |
| 8 | 6 | Denis MORINE | 12 | Chelmsford | 5:06.60 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 15 | Jimmy TAYLOR | 13 | Thurrock | 4:57.10 |
| 2 | 17 | Guy SEMPLE | 13 | Co Cambridge | 4:56.37 |
| 3 | 19 | Finley COMAN | 12 | Gt Yarmouth | 4:56.19 |
| 4 | 23 | Tyler JACKSON | 13 | Harlow Pen | 4:53.18 |
| 5 | 20 | Tyler WATSON | 13 | Flitwick | 4:55.49 |
| 6 | 18 | Peter SOCZEWKA | 12 | Hatfield | 4:56.22 |
| 7 | 16 | Tom MALIA | 13 | Flitwick | 4:56.85 |
| 8 | 14 | Joseph MCGILLIVRAY | 12 | Lstoft & OB | 4:57.75 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 25 | Oskar FARKAS | 12 | Co Cambridge | 4:50.73 |
| 2 | 28 | Connor WALKER | 13 | Co Peterboro | 4:47.86 |
| 3 | 30 | Ryan DAVIS | 13 | Epping For't | 4:47.37 |
| 4 | 32 | Jeremy AITKEN | 14 | Beccles Town | 4:46.67 |
| 5 | 31 | Robert ADDIS | 13 | West Norfolk | 4:47.20 |
| 6 | 29 | Jude HILLS | 12 | Bo Southend | 4:47.60 |
| 7 | 27 | Aidan PILCHER | 12 | teamipswich | 4:50.11 |
| 8 | 24 | Joab CARR | 13 | St Felix Sch | 4:53.06 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 34 | Fabian BRUDNICKI | 13 | Co Peterboro | 4:45.73 |
| 2 | 37 | William TOZER | 14 | West Suffolk | 4:44.27 |
| 3 | 39 | Teal'K SMITH | 14 | Beccles Town | 4:43.68 |
| 4 | 41 | Edward JEX | 14 | Co St Albans | 4:42.49 |
| 5 | 40 | Matthew NEWSON | 14 | Co Peterboro | 4:43.26 |
| 6 | 38 | James SPEERS | 14 | Basildon Ph | 4:43.82 |
| 7 | 36 | Samuel STEPHENS | 14 | St Felix Sch | 4:44.43 |
| 8 | 33 | Luke BARTON | 13 | Lstoft & OB | 4:46.33 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 43 | Samuel MILLER | 14 | Bo Southend | 4:41.87 |
| 2 | 45 | Edward MCFARLAND | 14 | C Beds SS | 4:41.40 |
| 3 | 47 | William PESTELL | 14 | teamipswich | 4:37.85 |
| 4 | 50 | Michael KLIMASZEWSKI | 13 | Hatfield | 4:35.50 |
| 5 | 49 | Thomas BELCHER | 14 | Modernian | 4:35.67 |
| 6 | 46 | Alfie KING | 14 | Thetford | 4:38.22 |
| 7 | 44 | Joshua THURSTON-WOOLNO | 14 | Beccles Town | 4:41.82 |
| 8 | 42 | Samuel BULLINGHAM | 14 | West Suffolk | 4:42.16 |
| Heat Number - 7 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 52 | Devesh KAPOOR | 14 | Watford SC | 4:33.77 |
| 2 | 54 | Chester LEEMING | 13 | St Felix Sch | 4:32.80 |
| 3 | 56 | Henry NEWELL | 14 | Newmarket | 4:30.09 |
| 4 | 59 | Owen WEBSTER | 14 | St Felix Sch | 4:23.01 |
| 5 | 58 | Samuel ROSE | 14 | West Norfolk | 4:24.80 |
| 6 | 55 | Joe COOPER | 13 | teamipswich | 4:31.06 |
| 7 | 53 | Jack TURRELL | 14 | Basildon Ph | 4:33.60 |
| 8 | 51 | Daniel WHITE | 14 | St Felix Sch | 4:34.96 |