| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2357 | Rai BENJAMIN |  USA | 49.06 Q | 0.156 | 
| 2 | 1506 | Abdelmalik LAHOULOU |  ALG | 49.58 Q | 0.171 | 
| 3 | 2179 | Ezekiel NATHANIEL |  NGR | 49.64 Q | 0.135 | 
| 4 | 2061 | Kazuki KUROKAWA |  JPN | 50.02 Q | 0.142 | 
| 5 | 2313 | Chieh CHEN |  TPE | 50.28 | 0.158 | 
| 6 | 1880 | Chris MCALISTER |  GBR | 51.55 | 0.158 | 
| 1698 | Jordin ANDRADE |  CPV | DNF | 0.160 | |
| 2288 | Dany BRAND |  SUI | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.59 |  Kazuki KUROKAWA |  JPN | 
| 200 m | 23.14 |  Kazuki KUROKAWA |  JPN | 
| 300 m | 35.38 |  Rai BENJAMIN |  USA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1611 | Alison DOS SANTOS |  BRA | 49.41 Q | 0.157 | 
| 2 | 2032 | Kemar MOWATT |  JAM | 49.44 Q | 0.146 | 
| 3 | 1832 | Wilfried HAPPIO |  FRA | 49.60 Q | 0.308 | 
| 4 | 2168 | Nick SMIDT |  NED | 49.80 Q | 0.180 | 
| 5 | 2272 | Sokwakhana ZAZINI |  RSA | 50.09 q | 0.148 | 
| 6 | 2059 | Takayuki KISHIMOTO |  JPN | 50.66 | 0.117 | 
| 7 | 1958 | Jabir MADARI PALLIYALIL |  IND | 50.76 | 0.188 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.61 |  Alison DOS SANTOS |  BRA | 
| 200 m | 22.65 |  Alison DOS SANTOS |  BRA | 
| 300 m | 35.51 |  Alison DOS SANTOS |  BRA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2197 | Karsten WARHOLM |  NOR | 49.34 Q SB | 0.164 | 
| 2 | 1586 | Julien WATRIN |  BEL | 49.83 Q | 0.199 | 
| 3 | 2029 | Jaheel HYDE |  JAM | 50.03 Q | 0.187 | 
| 4 | 2099 | Moitalel MPOKE |  KEN | 50.19 Q | 0.177 | 
| 5 | 2287 | Julien BONVIN |  SUI | 50.40 | 0.158 | 
| 6 | 2276 | Ned AZEMIA |  SEY | 53.07 | 0.186 | 
| 7 | 1741 | Juander SANTOS |  DOM | 58.80 | 0.185 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.36 |  Karsten WARHOLM |  NOR | 
| 200 m | 22.47 |  Karsten WARHOLM |  NOR | 
| 300 m | 34.95 |  Karsten WARHOLM |  NOR | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1785 | Rasmus MÄGI |  EST | 48.78 Q | 0.169 | 
| 2 | 1973 | Thomas BARR |  IRL | 49.15 Q SB | 0.160 | 
| 3 | 1699 | Gerald DRUMMOND |  CRC | 49.16 Q | 0.195 | 
| 4 | 2353 | Trevor BASSITT |  USA | 49.17 Q | 0.146 | 
| 5 | 1861 | Alastair CHALMERS |  GBR | 49.37 q | 0.134 | 
| 6 | 2037 | Shawn ROWE |  JAM | 49.51 q | 0.156 | 
| 7 | 2327 | Yasmani COPELLO |  TUR | 49.83 q | 0.183 | 
| 8 | 1630 | Mahau SUGUIMATI |  BRA | 52.43 | 0.125 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.77 |  Shawn ROWE |  JAM | 
| 200 m | 23.14 |  Shawn ROWE |  JAM | 
| 300 m | 35.57 |  Rasmus MÄGI |  EST | 
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 2417 | Khallifah ROSSER |  USA | 48.62 Q | 0.168 | |
| 2 | 2157 | Ramsey ANGELA |  NED | 49.62 Q | 0.182 | |
| 3 | 2296 | Carl BENGTSTRÖM |  SWE | 49.64 Q | 0.169 | |
| 4 | 2013 | Kyron MCMASTER |  IVB | 49.98 Q | 0.157 | |
| 5 | 1754 | Pablo Andres IBAÑEZ GUEVARA |  ESA | 50.18 | .175 | 0.146 | 
| 5 | 2000 | Mario LAMBRUGHI |  ITA | 50.18 | .175 | 0.144 | 
| 7 | 1717 | VÃt MÜLLER |  CZE | 50.71 | 0.173 | 
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 11.56 |  Kyron MCMASTER |  IVB | 
| 200 m | 22.98 |  Khallifah ROSSER |  USA | 
| 300 m | 35.19 |  Khallifah ROSSER |  USA |