| Final | |||||
| Lane | Comp.No. | Name | AaD | Club/Country | Time |
| 0 | 1 | Marcus Johnson | 17 | Co Milton K | 4:19.62 |
| 1 | 2 | Bailey Hairsine | 17 | KingstonHull | 4:16.18 |
| 2 | 3 | Jacques Bonsell | 17 | Blackpool Aq | 4:13.35 |
| 3 | 4 | Casey Barrett | 17 | Royal Wolv | 4:11.05 |
| 4 | 5 | Samuel Crabtree | 17 | Thanet Swim | 4:08.49 |
| 5 | 6 | Max McCusker | 17 | Millfield | 4:10.44 |
| 6 | 7 | James Morrison | 17 | Bolton Metro | 4:12.20 |
| 7 | 8 | Declan Hall | 17 | Wigan BEST | 4:15.90 |
| 8 | 9 | Thomas Owens | 17 | Barnes SC | 4:18.17 |