| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 2 | 106 | Michael Anthony Rasmijn |  ARU | 49.43 | 49.43 | 
| 3 | 197 | Lucas BÚA |  ESP | 46.23 | 46.59 | 
| 4 | 189 | Juander SANTOS |  DOM | 46.52 | 46.52 | 
| 5 | 339 | Jakub KRZEWINA |  POL | 46.15 | 46.15 | 
| 6 | 386 | Deon LENDORE |  TTO | 45.03 | 45.85 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 1 | 320 | Kelvin Delvin Ramírez |  NCA | 49.18o | |
| 2 | 435 | Tikie Terry Mael |  VAN | 50.40o | |
| 3 | 385 | Asa GUEVARA |  TTO | 46.57 | 46.57 | 
| 4 | 324 | Chidi OKEZIE |  NGR | 46.48 | 46.58 | 
| 5 | 281 | Javon FRANCIS |  JAM | 45.97 | 45.97 | 
| 6 | 365 | Luka JANEŽIČ |  SLO | 46.02 | 46.02 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 2 | 305 | Austris Karpinskis |  LAT | 47.81 | 47.81 | 
| 3 | 282 | Steven Gayle |  JAM | 46.02 | 47.43 | 
| 4 | 114 | Alonzo RUSSELL |  BAH | 46.38 | 46.38 | 
| 5 | 356 | Abdalelah Haroun |  QAT | 45.39 | 46.37 | 
| 6 | 264 | Bralon TAPLIN |  GRN | 44.88 | 44.88 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 2 | 314 | Mohamed Naail |  MDV | 48.25o | 48.25o | 
| 3 | 293 | Mikhail LITVIN |  KAZ | 46.51 | 46.93 | 
| 4 | 393 | Vitaliy Butrym |  UKR | 46.45 | 46.45 | 
| 5 | 407 | Michael CHERRY |  USA | 45.53 | 45.53 | 
| 6 | 344 | Rafał Omelko |  POL | 46.08 | 46.33 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 2 | 301 | Mazen Mawtan AL YASEN |  KSA | 46.35 | 48.28 | 
| 3 | 165 | Nery Brenes |  CRC | 45.11 | 46.50 | 
| 4 | 172 | Patrik ŠORM |  CZE | 46.49 | 46.68 | 
| 5 | 231 | Lee THOMPSON |  GBR | 46.23 | 46.23 | 
| 6 | 401 | Aldrich BAILEY JR |  USA | 45.59 | 45.59 | 
| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 | 
|---|---|---|---|---|---|
| 1 | 381 | Davron Atabaev |  TJK | 48.57 | 50.33 | 
| 2 | 105 | Narek Ghukasyan |  ARM | 51.83 | |
| 3 | 188 | Luguelín SANTOS |  DOM | 45.80 | 46.53 | 
| 4 | 304 | Yousef KARAM |  KUW | 46.66 | 46.66 | 
| 5 | 202 | Óscar HUSILLOS |  ESP | 45.86 | 45.86 | 
| 6 | 173 | Pavel MASLÁK |  CZE | 45.24 | 46.14 |