| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 3 | 3016 | Noah LYLES |
USA |
19.51 Q WL | +1.0 | |
| 2 | 1 | 2 | 2560 | Bryan LEVELL |
JAM |
19.78 Q | 0.0 | |
| 3 | 1 | 1 | 2976 | Kenneth BEDNAREK |
USA |
19.88 Q | -0.1 | |
| 4 | 2 | 2 | 2113 | Letsile TEBOGO |
BOT |
19.95 Q | .944 | 0.0 |
| 4 | 2 | 3 | 2380 | Zharnel HUGHES |
GBR |
19.95 Q | .944 | +1.0 |
| 6 | 3 | 3 | 2853 | Sinesipho DAMBILE |
RSA |
19.97 q PB | +1.0 | |
| 7 | 2 | 1 | 2258 | Alexander OGANDO |
DOM |
19.98 Q | .971 | -0.1 |
| 8 | 4 | 3 | 3065 | Tapiwanashe MAKARAWU |
ZIM |
19.98 q | .972 | +1.0 |
| 9 | 3 | 1 | 3064 | Makanakaishe CHARAMBA |
ZIM |
20.03 | -0.1 | |
| 10 | 5 | 3 | 2559 | Adrian KERR |
JAM |
20.08 PB | +1.0 | |
| 11 | 4 | 1 | 2878 | Wayde VAN NIEKERK |
RSA |
20.12 | -0.1 | |
| 12 | 6 | 3 | 2152 | Andre DE GRASSE |
CAN |
20.13 SB | +1.0 | |
| 13 | 5 | 1 | 2572 | Christopher TAYLOR |
JAM |
20.21 PB | -0.1 | |
| 14 | 6 | 1 | 2622 | Towa UZAWA |
JPN |
20.23 | -0.1 | |
| 15 | 7 | 3 | 2753 | Udodi Chudi ONWUZURIKE |
NGR |
20.26 | +1.0 | |
| 16 | 3 | 2 | 3013 | Courtney LINDSEY |
USA |
20.30 | 0.0 | |
| 17 | 8 | 3 | 2919 | Henrik LARSSON |
SWE |
20.32 PB | +1.0 | |
| 18 | 4 | 2 | 2033 | Gout GOUT |
AUS |
20.36 | 0.0 | |
| 19 | 5 | 2 | 2149 | Jerome BLAKE |
CAN |
20.41 | 0.0 | |
| 20 | 6 | 2 | 2737 | Xavi MO-AJOK |
NED |
20.55 | 0.0 | |
| 21 | 7 | 1 | 2904 | William REAIS |
SUI |
20.59 | .583 | -0.1 |
| 22 | 8 | 1 | 2150 | Aaron BROWN |
CAN |
20.59 | .590 | -0.1 |
| 23 | 7 | 2 | 2902 | Timothé MUMENTHALER |
SUI |
20.66 | 0.0 | |
| 24 | 8 | 2 | 2357 | Ryan ZEZE |
FRA |
20.73 | 0.0 |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second