| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 350 | Deon LENDORE |  TTO | 46.38 Q | 0.244 | 
| 2 | 269 | Boniface Ontuga MWERESA |  KEN | 46.44 Q SB | 0.271 | 
| 3 | 376 | Kyle Clemons |  USA | 46.66 q | 0.206 | 
| 4 | 114 | Alonzo RUSSELL |  BAH | 46.66 q | 0.244 | 
| 5 | 180 | George Erazo |  ESA | 49.66 | 0.188 | 
| 339 | Sadam Suliman KOUMI EL NOUR |  SUD | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 200m | 21.76 |  Deon LENDORE |  TTO | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 349 | Lalonde Gordon |  TTO | 46.72 Q | 0.174 | 
| 2 | 248 | Fitzroy Dunkley |  JAM | 46.83 Q | 0.161 | 
| 3 | 183 | Lucas BÚA |  ESP | 46.86 | 0.174 | 
| 4 | 146 | Philip Osei |  CAN | 47.00 | 0.196 | 
| 5 | 177 | Gustavo Cuesta |  DOM | 48.46 | 0.173 | 
| 289 | Orukpe Eraiyokan |  NGR | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 200m | 21.85 |  Lalonde GORDON |  TTO | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 233 | Bralon TAPLIN |  GRN | 46.24 Q | 0.195 | 
| 2 | 358 | Yavuz CAN |  TUR | 46.82 Q | 0.206 | 
| 3 | 247 | Ricardo Chambers |  JAM | 47.07 | 0.155 | 
| 4 | 194 | Marek Niit |  EST | 47.39 | 0.136 | 
| 5 | 398 | Alberth Bravo |  VEN | 47.63 PB | 0.197 | 
| 6 | 226 | Emmanuel Dasor |  GHA | 47.86 | 0.198 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 200m | 21.46 |  Bralon TAPLIN |  GRN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 321 | Abdalelah Haroun |  QAT | 46.15 Q | 0.201 | 
| 2 | 161 | Nery Brenes |  CRC | 46.92 Q SB | 0.179 | 
| 3 | 401 | Chidi OKEZIE |  NGR | 47.05 | 0.276 | 
| 4 | 357 | Batuhan ALTINTAŞ |  TUR | 47.21 | 0.218 | 
| 5 | 280 | Kristijan Erfemov |  MKD | 50.28 | 0.193 | 
| 389 | Vernon NORWOOD |  USA | DQ R163.3(b) | 0.174 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 200m | 21.71 |  Abdalelah HAROUN |  QAT | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 171 | Pavel MASLÁK |  CZE | 46.57 Q | 0.178 | 
| 2 | 337 | Luka JANEŽIČ |  SLO | 46.79 Q | 0.235 | 
| 3 | 285 | Liemarvin BONEVACIA |  NED | 47.48 | 0.145 | 
| 4 | 232 | Payton Hazzard |  GRN | 47.61 | 0.207 | 
| 5 | 308 | Mowen Boino |  PNG | 49.81 PB | 0.213 | 
| 112 | Michael Mathieu |  BAH | DQ R163.3(b) | 0.197 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 200m | 21.26 |  Pavel MASLÁK |  CZE |