| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 2 | 956 | Yasmani COPELLO |  TUR | 48.46 | 48.46 | 
| 3 | 794 | Patryk DOBEK |  POL | 48.40 | 48.40 | 
| 4 | 705 | Bonface Mucheru |  KEN | 48.29 | 48.29 | 
| 5 | 1063 | Michael Tinsley |  USA | 47.70 | 48.34 | 
| 6 | 870 | Denis Kudryavtsev |  RUS | 48.23 | 48.23 | 
| 7 | 202 | Jeffery Gibson |  BAH | 48.37 | 48.37 | 
| 8 | 1005 | Kerron Clement |  USA | 47.24 | 48.44 | 
| 9 | 679 | Nicholas BETT |  KEN | 48.29 | 48.29 |