EVENT 511 Mens 400m Freestyle - Heats
Not Competing : 1,19,24,42
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 2 | 3 | Cole SHEPARD | 12 | Basildon Ph | 5:11.17 |
| 3 | 5 | James EDGINGS | 12 | Thurrock | 5:10.14 |
| 4 | 7 | Maxwell GEORGE | 12 | Hatfield | 5:09.49 |
| 5 | 6 | Ciaran RICHES | 12 | West Suffolk | 5:09.68 |
| 6 | 4 | Owen VAUGHAN | 12 | Chelmsford | 5:10.23 |
| 7 | 2 | Robert ADDIS | 11 | West Norfolk | 5:11.69 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 9 | Aaron LAMBIE | 12 | Thurrock | 5:07.40 |
| 2 | 11 | Luke BARTON | 11 | Lstoft & OB | 5:06.53 |
| 3 | 13 | Henry NEWELL | 12 | Newmarket | 5:04.66 |
| 4 | 15 | Ben PARADISE | 13 | Basildon Ph | 5:00.50 |
| 5 | 14 | William PESTELL | 12 | Colchester | 5:04.55 |
| 6 | 12 | Callum STEDMAN | 12 | Dereham | 5:06.27 |
| 7 | 10 | Matthew NEWSON | 12 | Co Peterboro | 5:06.97 |
| 8 | 8 | William TOZER | 12 | West Suffolk | 5:08.12 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 17 | Mason HUNNISETT | 13 | Basildon Ph | 5:00.00 |
| 2 | 20 | Elliott DAY | 13 | teamipswich | 4:54.87 |
| 3 | 22 | Jack BOWYER | 13 | West Suffolk | 4:53.47 |
| 4 | 25 | Benjamin HARVEY | 13 | Basildon Ph | 4:50.90 |
| 5 | 23 | Joshua BRISTOW | 13 | Modernians | 4:52.90 |
| 6 | 21 | Finn JEFFERY | 12 | St Felix Sch | 4:54.61 |
| 7 | 18 | Cameron WOLSTENCROFT | 12 | Co Cambridge | 4:56.37 |
| 8 | 16 | Silvester HAVRILLAY | 13 | Harlow Pen | 5:00.40 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 27 | Samuel ROSE | 12 | UEA Norwich | 4:50.40 |
| 2 | 29 | Thomas ALLISON | 14 | Newmarket | 4:46.70 |
| 3 | 31 | Henry PEARCE | 13 | Co Peterboro | 4:45.05 |
| 4 | 33 | Adam BAILEY | 14 | Cheshunt | 4:44.93 |
| 5 | 32 | Owen WEBSTER | 12 | St Felix Sch | 4:45.02 |
| 6 | 30 | Jake LAMMAS | 14 | West Norfolk | 4:45.98 |
| 7 | 28 | Ben BLOWERS | 13 | UEA Norwich | 4:47.74 |
| 8 | 26 | Matthew PECK | 13 | Mid Beds | 4:50.60 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 35 | James CHENNELLS | 14 | Berkhamsted | 4:44.61 |
| 2 | 37 | Charles WHYTE | 14 | West Suffolk | 4:43.40 |
| 3 | 39 | Jake MOXHAM | 13 | Royston | 4:42.86 |
| 4 | 41 | Harrison LEES | 14 | Watford SC | 4:41.71 |
| 5 | 40 | Michael RIPPER | 14 | Harpenden | 4:42.05 |
| 6 | 38 | Tyler THOMAS | 13 | Chatteris | 4:43.40 |
| 7 | 36 | Timothy HUGHES | 13 | Hatfield | 4:43.90 |
| 8 | 34 | Herbie KINDER | 13 | Co Peterboro | 4:44.85 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 1 | 44 | Ayotobi LAGUDA | 13 | Hatfield | 4:39.70 |
| 2 | 46 | Lewis MOORE | 13 | Deben | 4:37.23 |
| 3 | 48 | Nathan SWIFT | 14 | Team Luton | 4:29.10 |
| 4 | 50 | Thomas CLARE | 14 | teamipswich | 4:19.58 |
| 5 | 49 | Jamie MCCAFFRAY | 14 | Modernians | 4:28.90 |
| 6 | 47 | Max JELFS | 14 | Hemel Hemp | 4:36.56 |
| 7 | 45 | Callum WOLLASTON | 14 | Cheshunt | 4:38.16 |
| 8 | 43 | Manfred BATTLE | 13 | Stowmarket | 4:41.10 |