| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2115 | Joseph FAHNBULLEH |  LBR | 20.12 Q | 0.123 | 
| 2 | 2074 | Koki UEYAMA |  JPN | 20.26 Q PB | 0.127 | 
| 3 | 1638 | Jerome BLAKE |  CAN | 20.30 Q | 0.126 | 
| 4 | 1867 | Joe FERGUSON |  GBR | 20.33 q | 0.151 | 
| 5 | 1933 | Joseph Paul AMOAH |  GHA | 20.40 SB | 0.145 | 
| 6 | 1626 | Lucas RODRIGUES DA SILVA |  BRA | 20.90 | 0.128 | 
| 2215 | Terrence TALIO |  PNG | DQ | 0.146 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.49 |  Koki UEYAMA |  JPN | 
| POS | BIB | ATHLETE | COUNTRY | MARK | ms* | Reaction Time | 
|---|---|---|---|---|---|---|
| 1 | 2320 | Jereem RICHARDS |  TTO | 20.35 Q | 0.136 | |
| 2 | 1639 | Aaron BROWN |  CAN | 20.60 Q | 0.138 | |
| 3 | 2052 | Shota IIZUKA |  JPN | 20.72 Q | 0.130 | |
| 4 | 2259 | Shaun MASWANGANYI |  RSA | 20.79 | 0.151 | |
| 5 | 1724 | Simon HANSEN |  DEN | 20.80 | .793 | 0.128 | 
| 5 | 1706 | Shainer REGINFO MONTOYA |  CUB | 20.80 | .793 | 0.117 | 
| 7 | 1950 | Joseph GREEN |  GUM | 22.04 | 0.164 | 
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 | 10.43 |  Shaun MASWANGANYI |  RSA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2396 | Erriyon KNIGHTON |  USA | 20.01 Q | 0.174 | 
| 2 | 2247 | Luxolo ADAMS |  RSA | 20.10 Q | 0.127 | 
| 3 | 1882 | Nethaneel MITCHELL-BLAKE |  GBR | 20.11 Q | 0.129 | 
| 4 | 1738 | Yancarlos MARTÍNEZ |  DOM | 20.13 q | 0.146 | 
| 5 | 2021 | Akeem BLOOMFIELD |  JAM | 20.56 | 0.166 | 
| 6 | 2305 | Sibusiso MATSENJWA |  SWZ | 20.60 | 0.161 | 
| 7 | 2439 | Tinotenda MATIYENGA |  ZIM | 20.72 | 0.146 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.36 |  Erriyon KNIGHTON |  USA | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 1740 | Alexander OGANDO |  DOM | 20.01 Q NR | 0.141 | 
| 2 | 2355 | Kenneth BEDNAREK |  USA | 20.35 Q | 0.139 | 
| 3 | 2340 | Tarsis Gracious OROGOT |  UGA | 20.44 Q | 0.158 | 
| 4 | 1995 | Eseosa Fostine DESALU |  ITA | 20.63 | 0.123 | 
| 5 | 1830 | Mouhamadou FALL |  FRA | 20.83 | 0.133 | 
| 6 | 1697 | Hachim MAAROUFOU |  COM | 20.91 | 0.157 | 
| 1511 | Marcos SANTOS |  ANG | DQ | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.59 |  Alexander OGANDO |  DOM | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2389 | Fred KERLEY |  USA | 20.17 Q | 0.137 | 
| 2 | 2250 | Sinesipho DAMBILE |  RSA | 20.29 Q PB | 0.134 | 
| 3 | 2184 | Udodi Chudi ONWUZURIKE |  NGR | 20.34 Q | 0.134 | 
| 4 | 2020 | Yohan BLAKE |  JAM | 20.35 q | 0.124 | 
| 5 | 2294 | William REAIS |  SUI | 20.71 SB | 0.156 | 
| 6 | 1546 | Aidan MURPHY |  AUS | 20.75 | 0.144 | 
| 1686 | Emmanuel ESEME |  CMR | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.48 |  Udodi Chudi ONWUZURIKE |  NGR | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2012 | Filippo TORTU |  ITA | 20.18 Q | 0.148 | 
| 2 | 1853 | Guy MAGANGA GORRA |  GAB | 20.44 Q NR | 0.150 | 
| 3 | 1540 | Calab LAW |  AUS | 20.50 Q PB | 0.133 | 
| 4 | 1868 | Adam GEMILI |  GBR | 20.60 | 0.133 | 
| 5 | 2210 | Alonso EDWARD |  PAN | 22.08 | 0.129 | 
| 1640 | Andre DE GRASSE |  CAN | DNS | ||
| 2060 | Yuki KOIKE |  JPN | DNS | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.52 |  Adam GEMILI |  GBR | 
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 2400 | Noah LYLES |  USA | 19.98 Q | 0.189 | 
| 2 | 2025 | Rasheed DWYER |  JAM | 20.29 Q SB | 0.140 | 
| 3 | 1681 | Zhenye XIE |  CHN | 20.30 Q | 0.159 | 
| 4 | 1893 | Owen ANSAH |  GER | 20.52 | 0.136 | 
| 5 | 2317 | Eric HARRISON JR. |  TTO | 20.54 | 0.110 | 
| 6 | 1631 | Lucas VILAR |  BRA | 20.65 SB | 0.161 | 
| 7 | 1712 | Jan JIRKA |  CZE | 20.73 | 0.132 | 
| Split | Mark | Athlete | COUNTRY | 
|---|---|---|---|
| 100 m | 10.44 |  Rasheed DWYER |  JAM |