| B Final | |||||
| Lane | Comp.No. | Name | YoB | Club | Time |
| 1 | 1 | Jake Hutchinson | 06 | Co Leicester | 55.12 |
| 2 | 2 | Thomas Beeley | 99 | UoAPS | 55.05 |
| 3 | 3 | Cole Hewitt | 02 | Co Sheffield | 54.79 |
| 4 | 4 | Rhys Edwards | 02 | Swansea Uni | 54.29 |
| 5 | 5 | Jamie Robertson | 00 | UniOfStirl | 54.31 |
| 6 | 6 | Alexander Painter | 04 | Millfield | 54.94 |
| 7 | 7 | Stefan Krawiec | 06 | East Lothian | 55.11 |
| 8 | 8 | James Cleaver | 05 | Beckenham | 55.16 |