| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 | 
|---|---|---|---|---|---|
| 1 | 339 | Sadam Suliman KOUMI EL NOUR |  SUD | 45.41o | |
| 2 | 180 | George Erazo |  ESA | 47.56o | 49.46 | 
| 3 | 114 | Alonzo RUSSELL |  BAH | 45.65o | 46.58 | 
| 4 | 269 | Boniface Ontuga MWERESA |  KEN | 45.01o | 46.46 | 
| 5 | 350 | Deon LENDORE |  TTO | 44.36o | 45.56 | 
| 6 | 376 | Kyle Clemons |  USA | 44.84o | 45.95 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 | 
|---|---|---|---|---|---|
| 1 | 177 | Gustavo Cuesta |  DOM | 45.09o | 48.21 | 
| 2 | 289 | Orukpe Eraiyokan |  NGR | 44.95o | |
| 3 | 146 | Philip Osei |  CAN | 45.23o | 46.35 | 
| 4 | 183 | Lucas BÚA |  ESP | 45.98o | 46.65 | 
| 5 | 349 | Lalonde Gordon |  TTO | 44.52o | 45.51 | 
| 6 | 248 | Fitzroy Dunkley |  JAM | 45.78o | 46.04 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 | 
|---|---|---|---|---|---|
| 1 | 247 | Ricardo Chambers |  JAM | 44.54o | 46.85 | 
| 2 | 398 | Alberth Bravo |  VEN | 45.21o | |
| 3 | 194 | Marek Niit |  EST | 45.74o | 46.81 | 
| 4 | 226 | Emmanuel Dasor |  GHA | 45.61o | 46.21 | 
| 5 | 233 | Bralon TAPLIN |  GRN | 44.89o | 45.20 | 
| 6 | 358 | Yavuz CAN |  TUR | 45.65o | 46.20 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 | 
|---|---|---|---|---|---|
| 1 | 280 | Kristijan Erfemov |  MKD | 47.92o | 49.49 | 
| 2 | 161 | Nery Brenes |  CRC | 44.65o | |
| 3 | 357 | Batuhan ALTINTAŞ |  TUR | 46.30o | 46.55 | 
| 4 | 401 | Chidi OKEZIE |  NGR | 46.07o | 46.48 | 
| 5 | 389 | Vernon NORWOOD |  USA | 44.44o | 45.80 | 
| 6 | 321 | Abdalelah Haroun |  QAT | 44.27o | 45.88 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2016 | 
|---|---|---|---|---|---|
| 1 | 232 | Payton Hazzard |  GRN | 45.88o | 47.03 | 
| 2 | 308 | Mowen Boino |  PNG | 47.97o | |
| 3 | 285 | Liemarvin BONEVACIA |  NED | 44.72o | 46.66 | 
| 4 | 337 | Luka JANEŽIČ |  SLO | 45.28o | 46.32 | 
| 5 | 171 | Pavel MASLÁK |  CZE | 44.79o | 45.33o | 
| 6 | 112 | Michael Mathieu |  BAH | 45.00o | 46.05 |