EVENT 211 Mens 400m Freestyle - Heats
Not Competing : 10,31
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 2 | 2 | Jaxon SIMMONS | 15 | S13 | Co Peterboro | 4:40.80 |
| 3 | 4 | Morgan NEWMAN | 15 | | Potters Bar | 4:32.22 |
| 4 | 6 | Ryan MOGFORD | 15 | | Chelmsford | 4:29.76 |
| 5 | 5 | Adam MARTIN | 15 | | Hertsmere | 4:31.92 |
| 6 | 3 | Daniel LUSH | 15 | | Cheshunt | 4:32.74 |
| 7 | 1 | Sam BRADLEY | 22 | S7 | Team Luton | 5:31.50 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 8 | Harry LONGBOTTOM | 15 | | Deben | 4:26.95 |
| 2 | 11 | Max WILSON | 15 | | Modernians | 4:23.68 |
| 3 | 13 | James BAYLEY | 15 | | Basildon Ph | 4:22.61 |
| 4 | 15 | Myles TURNER | 15 | | West Suffolk | 4:22.17 |
| 5 | 14 | Harry WHITEMAN | 15 | | Co Peterboro | 4:22.20 |
| 6 | 12 | Zack CAMPBELL-MAUGHAN | 16 | | West Norfolk | 4:22.88 |
| 7 | 9 | Harry EADE | 15 | | teamipswich | 4:24.71 |
| 8 | 7 | Alex WALMSLEY | 15 | | teamipswich | 4:27.54 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 17 | Ben HARRISON | 15 | | Potters Bar | 4:21.60 |
| 2 | 19 | Harry FOX | 16 | | Basildon Ph | 4:19.95 |
| 3 | 21 | Ryan KELLY | 16 | | Chelmsford | 4:18.71 |
| 4 | 23 | Bayley FINBOW | 15 | | teamipswich | 4:18.21 |
| 5 | 22 | Jakob GOODMAN | 15 | | St Felix Sch | 4:18.29 |
| 6 | 20 | Finn CORBETT | 15 | | Co Peterboro | 4:19.40 |
| 7 | 18 | Cameron MCRAE | 16 | | Co Peterboro | 4:20.37 |
| 8 | 16 | Joshua FOWLES | 16 | | Witham Dolph | 4:21.74 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 25 | James WOODWARD | 15 | | Potters Bar | 4:17.50 |
| 2 | 27 | Fraser SCOTT | 17 | | Basildon Ph | 4:14.61 |
| 3 | 29 | Ethan FARRELL | 18 | | Hatfield | 4:14.33 |
| 4 | 32 | James DAY | 18 | | Basildon Ph | 4:12.37 |
| 5 | 30 | Ole MILLS | 16 | | Braintree | 4:13.99 |
| 6 | 28 | Logan MOORE | 17 | | St Felix Sch | 4:14.59 |
| 7 | 26 | Harry CONSTANTINE | 15 | | Hatfield | 4:16.47 |
| 8 | 24 | Alex EVENS | 16 | | Hitchin | 4:17.88 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 34 | Jake LLOYD | 20 | | Bishop Stort | 4:10.47 |
| 2 | 36 | Luke TURLEY | 15 | | Hatfield | 4:08.53 |
| 3 | 38 | Jamie SCHOLES | 15 | | Co Peterboro | 4:07.51 |
| 4 | 40 | Nathan BENTLEY | 17 | | Hatfield | 4:05.61 |
| 5 | 39 | Thomas MCLAGAN | 19 | | Chelmsford | 4:05.86 |
| 6 | 37 | Matthew WRIGHT | 17 | | Team Luton | 4:08.00 |
| 7 | 35 | Alex PROFFITT | 17 | | West Suffolk | 4:09.57 |
| 8 | 33 | Thomas SHERRIFF | 20 | | Hemel Hemp | 4:11.02 |
| Heat Number - 6 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 42 | Daniel POWELL | 18 | | Co Peterboro | 4:01.60 |
| 2 | 44 | Nathan HUGHES | 15 | | Hatfield | 4:00.65 |
| 3 | 46 | Joshua DUGGAN | 19 | | Hatfield | 3:59.94 |
| 4 | 48 | Martyn WALTON | 18 | | Hatfield | 3:49.54 |
| 5 | 47 | Timothy SHUTTLEWORTH | 18 | | Hatfield | 3:55.51 |
| 6 | 45 | Daniel LEIGH | 16 | | Co Peterboro | 4:00.10 |
| 7 | 43 | Regan LLOYD | 18 | | teamipswich | 4:01.18 |
| 8 | 41 | Nathan WELLS | 17 | | West Norfolk | 4:02.85 |