| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2572 | Rasheed DWYER |  JAM | 20.31 Q | 0.163 | 
| 2 | 3060 | Divine ODUDURU |  NGR | 20.36 Q | 0.129 | 
| 3 | 3408 | Anaso JOBODWANA |  RSA | 20.78 Q | 0.119 | 
| 4 | 1334 | Jorge VIDES |  BRA | 20.94 | 0.161 | 
| 5 | 2955 | Fodé SISSOKO |  MLI | 21.00 | 0.167 | 
| 6 | 2692 | Shota IIZUKA |  JPN | 21.02 | 0.148 | 
| 7 | 1760 | José Andrés SALAZAR |  ESA | 21.66 | 0.145 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3634 | Jereem RICHARDS |  TTO | 20.52 Q | 0.187 | 
| 2 | 3418 | Shaun MASWANGANYI |  RSA | 20.58 Q | 0.142 | 
| 3 | 3016 | Taymir BURNET |  NED | 20.60 Q SB | 0.137 | 
| 4 | 1532 | Emmanuel ESEME |  CMR | 20.65 | 0.160 | 
| 5 | 3540 | Ján VOLKO |  SVK | 21.21 | 0.160 | 
| 6 | 2709 | Abdul Hakim SANI BROWN |  JPN | 21.41 SB | 0.149 | 
| 1634 | Jan JIRKA |  CZE | DQ | 0.150 | |
| 1541 | Bernardo BALOYES |  COL | DNS | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3294 | Femi OGUNODE |  QAT | 20.37 Q | 0.154 | 
| 2 | 3670 | Ramil GULIYEV |  TUR | 20.54 Q | 0.158 | 
| 3 | 1425 | Andre DE GRASSE |  CAN | 20.56 Q | 0.122 | 
| 4 | 3628 | Kyle GREAUX |  TTO | 20.77 | 0.149 | 
| 5 | 2723 | Jun YAMASHITA |  JPN | 20.78 | 0.118 | 
| 6 | 1325 | Aldemir JUNIOR |  BRA | 20.84 SB | 0.160 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3944 | Erriyon KNIGHTON |  USA | 20.55 Q | 0.173 | 
| 2 | 3125 | Alonso EDWARD |  PAN | 20.60 Q | 0.185 | 
| 3 | 1203 | Robin VANDERBEMDEN |  BEL | 20.70 Q SB | 0.142 | 
| 4 | 4019 | Sydney SIAME |  ZAM | 21.01 | 0.171 | 
| 5 | 2868 | Gediminas TRUSKAUSKAS |  LTU | 21.02 | 0.140 | 
| 6 | 2169 | Steven MÜLLER |  GER | 21.08 | 0.156 | 
| 7 | 2046 | Adam GEMILI |  GBR | 1:58.58 | 0.180 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1423 | Aaron BROWN |  CAN | 20.38 Q | 0.157 | 
| 2 | 2848 | Joseph FAHNBULLEH |  LBR | 20.46 Q | 0.147 | 
| 3 | 3524 | William REAIS |  SUI | 20.51 Q | 0.147 | 
| 4 | 3800 | Serhiy SMELYK |  UKR | 20.53 SB | 0.144 | 
| 5 | 2427 | Antonio INFANTINO |  ITA | 20.90 | 0.132 | 
| 6 | 1335 | Lucas VILAR |  BRA | 21.31 | 0.171 | 
| 7 | 1365 | Muhd Noor Firdaus AR RASYID |  BRU | 21.83 SB | 0.174 | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3905 | Kenneth BEDNAREK |  USA | 20.01 Q | 0.184 | 
| 2 | 1686 | Yancarlos MARTÍNEZ |  DOM | 20.17 Q NR | 0.164 | 
| 3 | 2419 | Eseosa Fostine DESALU |  ITA | 20.29 Q SB | 0.131 | 
| 4 | 1508 | Zhenye XIE |  CHN | 20.34 q SB | 0.159 | 
| 5 | 2057 | Nethaneel MITCHELL-BLAKE |  GBR | 20.56 SB | 0.163 | 
| 6 | 2345 | Marcus LAWLER |  IRL | 20.73 SB | 0.145 | 
| 2849 | Emmanuel MATADI |  LBR | DNS | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 3950 | Noah LYLES |  USA | 20.18 Q | 0.171 | 
| 2 | 3580 | Sibusiso MATSENJWA |  SWZ | 20.34 Q NR | 0.172 | 
| 3 | 2196 | Joseph Paul AMOAH |  GHA | 20.35 Q SB | 0.171 | 
| 4 | 3426 | Clarence MUNYAI |  RSA | 20.49 q =SB | 0.135 | 
| 5 | 2349 | Leon REID |  IRL | 20.53 q SB | 0.135 | 
| 6 | 1438 | Brendon RODNEY |  CAN | 20.60 | 0.150 | 
| 7 | 2580 | Julian FORTE |  JAM | 20.65 | 0.152 | 
| 8 | 2846 | Noureddine HADID |  LBN | 21.12 | 0.157 |