| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 7 | 2400 | Noah LYLES |
USA |
19.98 Q | -0.3 | |
| 2 | 1 | 3 | 2396 | Erriyon KNIGHTON |
USA |
20.01 Q | .008 | +2.1 |
| 2 | 1 | 4 | 1740 | Alexander OGANDO |
DOM |
20.01 Q NR | .008 | +0.5 |
| 4 | 2 | 3 | 2247 | Luxolo ADAMS |
RSA |
20.10 Q | +2.1 | |
| 5 | 3 | 3 | 1882 | Nethaneel MITCHELL-BLAKE |
GBR |
20.11 Q | +2.1 | |
| 6 | 1 | 1 | 2115 | Joseph FAHNBULLEH |
LBR |
20.12 Q | +1.0 | |
| 7 | 4 | 3 | 1738 | Yancarlos MARTÍNEZ |
DOM |
20.13 q | +2.1 | |
| 8 | 1 | 5 | 2389 | Fred KERLEY |
USA |
20.17 Q | +0.4 | |
| 9 | 1 | 6 | 2012 | Filippo TORTU |
ITA |
20.18 Q | +1.0 | |
| 10 | 2 | 1 | 2074 | Koki UEYAMA |
JPN |
20.26 Q PB | +1.0 | |
| 11 | 2 | 5 | 2250 | Sinesipho DAMBILE |
RSA |
20.29 Q PB | .283 | +0.4 |
| 12 | 2 | 7 | 2025 | Rasheed DWYER |
JAM |
20.29 Q SB | .288 | -0.3 |
| 13 | 3 | 1 | 1638 | Jerome BLAKE |
CAN |
20.30 Q | .295 | +1.0 |
| 14 | 3 | 7 | 1681 | Zhenye XIE |
CHN |
20.30 Q | .298 | -0.3 |
| 15 | 4 | 1 | 1867 | Joe FERGUSON |
GBR |
20.33 q | +1.0 | |
| 16 | 3 | 5 | 2184 | Udodi Chudi ONWUZURIKE |
NGR |
20.34 Q | +0.4 | |
| 17 | 1 | 2 | 2320 | Jereem RICHARDS |
TTO |
20.35 Q | .344 | 0.0 |
| 18 | 2 | 4 | 2355 | Kenneth BEDNAREK |
USA |
20.35 Q | .345 | +0.5 |
| 19 | 4 | 5 | 2020 | Yohan BLAKE |
JAM |
20.35 q | .346 | +0.4 |
| 20 | 5 | 1 | 1933 | Joseph Paul AMOAH |
GHA |
20.40 SB | +1.0 | |
| 21 | 2 | 6 | 1853 | Guy MAGANGA GORRA |
GAB |
20.44 Q NR | .431 | +1.0 |
| 22 | 3 | 4 | 2340 | Tarsis Gracious OROGOT |
UGA |
20.44 Q | .432 | +0.5 |
| 23 | 3 | 6 | 1540 | Calab LAW |
AUS |
20.50 Q PB | +1.0 | |
| 24 | 4 | 7 | 1893 | Owen ANSAH |
GER |
20.52 | -0.3 | |
| 25 | 5 | 7 | 2317 | Eric HARRISON JR. |
TTO |
20.54 | -0.3 | |
| 26 | 5 | 3 | 2021 | Akeem BLOOMFIELD |
JAM |
20.56 | +2.1 | |
| 27 | 2 | 2 | 1639 | Aaron BROWN |
CAN |
20.60 Q | .594 | 0.0 |
| 28 | 4 | 6 | 1868 | Adam GEMILI |
GBR |
20.60 | .596 | +1.0 |
| 29 | 6 | 3 | 2305 | Sibusiso MATSENJWA |
SWZ |
20.60 | .600 | +2.1 |
| 30 | 4 | 4 | 1995 | Eseosa Fostine DESALU |
ITA |
20.63 | +0.5 | |
| 31 | 6 | 7 | 1631 | Lucas VILAR |
BRA |
20.65 SB | -0.3 | |
| 32 | 5 | 5 | 2294 | William REAIS |
SUI |
20.71 SB | +0.4 | |
| 33 | 3 | 2 | 2052 | Shota IIZUKA |
JPN |
20.72 Q | .717 | 0.0 |
| 34 | 7 | 3 | 2439 | Tinotenda MATIYENGA |
ZIM |
20.72 | .720 | +2.1 |
| 35 | 7 | 7 | 1712 | Jan JIRKA |
CZE |
20.73 | -0.3 | |
| 36 | 6 | 5 | 1546 | Aidan MURPHY |
AUS |
20.75 | +0.4 | |
| 37 | 4 | 2 | 2259 | Shaun MASWANGANYI |
RSA |
20.79 | 0.0 | |
| 38 | 5 | 2 | 1724 | Simon HANSEN |
DEN |
20.80 | .793 | 0.0 |
| 39 | 5 | 2 | 1706 | Shainer REGINFO MONTOYA |
CUB |
20.80 | .793 | 0.0 |
| 40 | 5 | 4 | 1830 | Mouhamadou FALL |
FRA |
20.83 | +0.5 | |
| 41 | 6 | 1 | 1626 | Lucas RODRIGUES DA SILVA |
BRA |
20.90 | +1.0 | |
| 42 | 6 | 4 | 1697 | Hachim MAAROUFOU |
COM |
20.91 | +0.5 | |
| 43 | 7 | 2 | 1950 | Joseph GREEN |
GUM |
22.04 | 0.0 | |
| 44 | 5 | 6 | 2210 | Alonso EDWARD |
PAN |
22.08 | +1.0 | |
| 4 | 1511 | Marcos SANTOS |
ANG |
DQ | ||||
| 1 | 2215 | Terrence TALIO |
PNG |
DQ | ||||
| 6 | 1640 | Andre DE GRASSE |
CAN |
DNS | ||||
| 6 | 2060 | Yuki KOIKE |
JPN |
DNS | ||||
| 5 | 1686 | Emmanuel ESEME |
CMR |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second