| Final | |||||
| Lane | Comp.No. | Name | YoB | Club/Country | Time |
| 1 | 2 | Aaron Rickhuss | 93 | Plymouth Lea | 50.96 |
| 2 | 3 | Grant Turner | 89 | Loughboro Un | 50.20 |
| 3 | 4 | Benjamin Proud | 94 | Plymouth Lea | 49.48 |
| 4 | 5 | Adam Brown | 89 | Hatfield | 48.67 |
| 5 | 6 | Robert Renwick | 88 | Co Glasgow | 49.17 |
| 6 | 7 | James Disney-May | 92 | Millfield | 50.13 |
| 7 | 8 | Jak Scott | 91 | UniOfStirl | 50.28 |
| 8 | 9 | Karl Morgan | 95 | Nova Cent'n | 51.02 |