| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 1 | 821 | Eric Alejandro |  PUR | 49.07 | 49.23 | 
| 2 | 158 | Abdelmalik LAHOULOU |  ALG | 48.99 | 48.99 | 
| 3 | 622 | Roxroy Cato |  JAM | 48.48 | 48.72 | 
| 4 | 661 | Takayuki KISHIMOTO |  JPN | 48.41 | 49.17 | 
| 5 | 202 | Jeffery Gibson |  BAH | 48.51 | 48.51 | 
| 6 | 863 | Timofey Chalyy |  RUS | 48.69 | 49.42 | 
| 7 | 754 | Kurt Couto |  MOZ | 49.02 | 50.18 | 
| 8 | 778 | Michael Cochrane |  NZL | 49.72 | 49.74 | 
| 9 | 679 | Nicholas BETT |  KEN | 48.29 | 48.29 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 1 | 990 | Andrés Silva |  URU | 48.65 | 50.25 | 
| 2 | 939 | Jehue Gordon |  TTO | 47.69 | 49.22 | 
| 3 | 705 | Bonface Mucheru |  KEN | 48.92 | 48.92 | 
| 4 | 1063 | Michael Tinsley |  USA | 47.70 | 48.34 | 
| 5 | 860 | L.J. van Zyl |  RSA | 47.66 | 48.78 | 
| 6 | 628 | Leford Green |  JAM | 48.47 | 49.22 | 
| 7 | 662 | Yuta Konishi |  JPN | 49.41 | 49.58 | 
| 8 | 822 | Javier Culson |  PUR | 47.72 | 48.48 | 
| 9 | 361 | Maoulida Daroueche |  COM | 51.79 | 52.61 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 2 | 154 | Saber Boukemouche |  ALG | 49.43 | 49.43 | 
| 3 | 953 | Mohamed Sghaier |  TUN | 49.22 | 49.22 | 
| 4 | 842 | Cornel Fredericks |  RSA | 48.14 | 49.50 | 
| 5 | 911 | Kariem HUSSEIN |  SUI | 48.45 | 48.45 | 
| 6 | 1005 | Kerron Clement |  USA | 47.24 | 48.44 | 
| 7 | 518 | Niall Flannery |  GBR | 48.80 | 49.23 | 
| 8 | 643 | Annsert Whyte |  JAM | 48.58 | 48.90 | 
| 9 | 773 | Miles Ukaoma |  NGR | 48.84 | 48.84 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 1 | 530 | Jack Green |  GBR | 48.60 | 49.31 | 
| 2 | 327 | Wen Cheng |  CHN | 49.66 | 49.86 | 
| 3 | 454 | Rasmus MÄGI |  EST | 48.54 | 48.65 | 
| 4 | 881 | Ivan Shablyuyev |  RUS | 49.04 | 49.04 | 
| 5 | 1029 | Bershawn Jackson |  USA | 47.30 | 48.09 | 
| 6 | 788 | Eric CRAY |  PHI | 49.12 | 49.12 | 
| 7 | 757 | Johannes Hardus Maritz |  NAM | 50.14 | 50.14 | 
| 8 | 956 | Yasmani COPELLO |  TUR | 49.39 | 49.39 | 
| 9 | 599 | Thomas BARR |  IRL | 48.65 | 48.65 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2015 | 
|---|---|---|---|---|---|
| 1 | 794 | Patryk DOBEK |  POL | 48.62 | 48.62 | 
| 2 | 448 | Jaak-Heinrich Jagor |  EST | 49.37 | 49.37 | 
| 3 | 1012 | Johnny Dutch |  USA | 47.63 | 48.13 | 
| 4 | 693 | Aron Kipchumba KOECH |  KEN | 49.50 | 49.50 | 
| 5 | 222 | Michaël Bultheel |  BEL | 49.04 | 49.04 | 
| 6 | 160 | Miloud Rahmani |  ALG | 49.24 | 49.24 | 
| 7 | 870 | Denis Kudryavtsev |  RUS | 48.66 | 48.66 | 
| 8 | 664 | Yuki MATSUSHITA |  JPN | 49.14 | 49.14 | 
| 9 | 893 | Amadou Ndiaye |  SEN | 49.61 | 50.16 |