EVENT 208 Mens MC 400m Freestyle - Heats
Not Competing : 4
| Heat Number - 1 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 39 | Leo MCCREA | 13 | S6 | Poole | 6:54.95 |
| 2 | 40 | Craig HARRIS | 17 | S14 | Swindon Dolp | 4:27.37 |
| 3 | 1 | Toby KITCHENER | 16 | | S Bournem'th | 4:21.86 |
| 4 | 2 | Jack WHITE | 16 | | Co Bristol | 4:21.43 |
| 5 | 3 | Ethan RAYMENT | 15 | | Plymouth Lea | 4:20.80 |
| 6 | 5 | Ben CARD | 18 | | Yeovil | 4:17.52 |
| 7 | 6 | Jay SNOWDEN | 16 | | Plymouth Lea | 4:16.10 |
| Heat Number - 2 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 7 | William HENDRY | 16 | | Millfield | 4:16.10 |
| 2 | 8 | Thomas BREW | 16 | | Mt Kelly | 4:14.60 |
| 3 | 9 | George LEAMAN | 17 | | Clevedon | 4:14.17 |
| 4 | 10 | Edward MADDOCKS | 15 | | Mt Kelly | 4:13.93 |
| 5 | 11 | Nicholas LAWS | 16 | | Millfield | 4:13.70 |
| 6 | 12 | Matthew MUNDEN | 17 | | Gloucester | 4:13.40 |
| 7 | 13 | William DAVIES | 16 | | Swindon Dolp | 4:13.20 |
| 8 | 14 | Herbie HALLETT | 16 | | Street | 4:12.70 |
| Heat Number - 3 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 15 | Joseph RUSSELL | 14 | | Mt Kelly | 4:12.10 |
| 2 | 16 | Tai ROCHE-WALKER | 15 | | Plymouth Lea | 4:11.30 |
| 3 | 17 | Matthew WRIGHT | 18 | | Bath Univ | 4:10.80 |
| 4 | 18 | Ben HARRISON | 16 | | Mt Kelly | 4:08.57 |
| 5 | 19 | Joseph TIBBETTS | 18 | | Plymouth Lea | 4:07.90 |
| 6 | 20 | Thomas TSIOPANIS | 23 | | Bath Univ | 4:07.30 |
| 7 | 21 | Adam DAVIES | 15 | | Plymouth Lea | 4:05.30 |
| 8 | 22 | Henry DIXON | 16 | | Mt Kelly | 4:04.80 |
| Heat Number - 4 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 23 | Henry OFFIN | 16 | | Mt Kelly | 4:04.30 |
| 2 | 24 | James WATSON | 16 | | Plymouth Lea | 4:03.80 |
| 3 | 25 | Max MCCUSKER | 17 | | Millfield | 4:03.40 |
| 4 | 26 | William RYLEY | 18 | | Bath Univ | 4:02.60 |
| 5 | 27 | Alexander SEYMOUR | 17 | | Mt Kelly | 4:01.84 |
| 6 | 28 | Tony-Joe TRETT OLIVER | 17 | | Mt Kelly | 3:59.30 |
| 7 | 29 | Luke ROBINS | 17 | | Millfield | 3:58.20 |
| 8 | 30 | William COLE | 17 | | Co Bristol | 3:58.03 |
| Heat Number - 5 |
| Lane | Comp.No. | Name | AaD | Cat | Club/Country | Time |
| 1 | 32 | Thomas THORNLEY | 17 | | Millfield | 3:56.50 |
| 2 | 34 | Kieran BIRD | 17 | | Millfield | 3:53.00 |
| 3 | 36 | Kregor ZIRK | 17 | | Plymouth Lea | 3:48.34 |
| 4 | 38 | Jay LELLIOTT | 21 | | Bath Univ | 3:41.50 |
| 5 | 37 | Cameron KURLE | 19 | | Millfield | 3:45.80 |
| 6 | 35 | Brodie WILLIAMS | 17 | | Millfield | 3:48.60 |
| 7 | 33 | Thomas KINGHAM | 18 | | Millfield | 3:54.20 |
| 8 | 31 | James GILLIE | 18 | | Millfield | 3:57.90 |