| B Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | Max Tambling | 25 | Winchester | 3:59.93 |
| 2 | 2 | Jack Muncey | 21 | UniOfStirl | 3:59.20 |
| 3 | 3 | Sean McCann | 19 | Lboro Uni | 3:58.09 |
| 4 | 4 | David Annis | 18 | Royal Wolv | 3:57.79 |
| 5 | 5 | William Bell | 22 | Lboro Uni | 3:58.03 |
| 6 | 6 | Joseph Deighan | 21 | Swansea Uni | 3:58.54 |
| 7 | 7 | Thomas Trebilcock | 21 | Swansea Uni | 3:59.60 |
| 8 | 8 | Reuben Visda | 21 | Co Sheffield | 4:00.11 |