| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* | WIND |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 4 | 1292 | Kenneth BEDNAREK |
USA |
19.96 Q | +0.2 | |
| 2 | 1 | 5 | 1323 | Erriyon KNIGHTON |
USA |
19.99 Q | +0.2 | |
| 3 | 2 | 4 | 561 | Alexander OGANDO |
DOM |
20.04 Q | +0.2 | |
| 4 | 2 | 5 | 1380 | Tapiwanashe MAKARAWU |
ZIM |
20.07 Q | +0.2 | |
| 5 | 1 | 3 | 415 | Letsile TEBOGO |
BOT |
20.10 Q | -0.1 | |
| 6 | 1 | 6 | 1328 | Noah LYLES |
USA |
20.19 Q | +0.1 | |
| 7 | 3 | 5 | 1181 | Shaun MASWANGANYI |
RSA |
20.20 Q | .193 | +0.2 |
| 8 | 1 | 1 | 1005 | Joseph FAHNBULLEH |
LBR |
20.20 Q | .195 | +0.1 |
| 9 | 2 | 1 | 850 | Eseosa Fostine DESALU |
ITA |
20.26 Q | +0.1 | |
| 10 | 2 | 3 | 1379 | Makanakaishe CHARAMBA |
ZIM |
20.27 Q | -0.1 | |
| 11 | 3 | 3 | 875 | Filippo TORTU |
ITA |
20.29 Q | -0.1 | |
| 12 | 4 | 3 | 466 | Brendon RODNEY |
CAN |
20.30 Re SB | .291 | -0.1 |
| 13 | 3 | 4 | 746 | Joshua HARTMANN |
GER |
20.30 Q | .297 | +0.2 |
| 14 | 2 | 6 | 453 | Andre DE GRASSE |
CAN |
20.30 Q | .300 | +0.1 |
| 15 | 1 | 2 | 1276 | Tarsis Gracious OROGOT |
UGA |
20.32 Q | -0.1 | |
| 16 | 3 | 6 | 952 | Towa UZAWA |
JPN |
20.33 Q | +0.1 | |
| 17 | 2 | 2 | 364 | Wanya MCCOY |
BAH |
20.35 Q | -0.1 | |
| 18 | 4 | 5 | 452 | Aaron BROWN |
CAN |
20.36 Re | +0.2 | |
| 19 | 3 | 2 | 421 | Renan CORREA |
BRA |
20.41 Q | -0.1 | |
| 20 | 3 | 1 | 1194 | Wayde VAN NIEKERK |
RSA |
20.42 Q | +0.1 | |
| 21 | 4 | 6 | 903 | Bryan LEVELL |
JAM |
20.47 Re | +0.1 | |
| 22 | 4 | 1 | 679 | Ryan ZEZE |
FRA |
20.49 Re | +0.1 | |
| 23 | 4 | 2 | 900 | Andrew HUDSON |
JAM |
20.53 Re | .525 | -0.1 |
| 23 | 5 | 5 | 363 | Ian KERR |
BAH |
20.53 Re | .525 | +0.2 |
| 25 | 5 | 1 | 1228 | Felix SVENSSON |
SUI |
20.54 Re | .534 | +0.1 |
| 26 | 6 | 1 | 512 | Cheickna TRAORE |
CIV |
20.54 Re | .536 | +0.1 |
| 27 | 5 | 2 | 1086 | Udodi Chudi ONWUZURIKE |
NGR |
20.55 Re | -0.1 | |
| 28 | 6 | 5 | 660 | Pablo MATEO |
FRA |
20.58 Re | +0.2 | |
| 29 | 4 | 4 | 863 | Diego Aldo PETTOROSSI |
ITA |
20.63 Re | .625 | +0.2 |
| 30 | 5 | 3 | 1223 | Timothé MUMENTHALER |
SUI |
20.63 Re | .627 | -0.1 |
| 31 | 7 | 5 | 1235 | Erik ERLANDSSON |
SWE |
20.65 Re | +0.2 | |
| 32 | 5 | 4 | 931 | Shota IIZUKA |
JPN |
20.67 Re | +0.2 | |
| 33 | 7 | 1 | 336 | Calab LAW |
AUS |
20.75 Re | +0.1 | |
| 34 | 8 | 1 | 1131 | Albert KOMAŃSKI |
POL |
20.77 Re | +0.1 | |
| 35 | 5 | 6 | 832 | Blessing Akwasi AFRIFAH |
ISR |
20.78 Re | +0.1 | |
| 36 | 6 | 6 | 1251 | Chun-Han YANG |
TPE |
20.83 Re | +0.1 | |
| 37 | 6 | 3 | 951 | Koki UEYAMA |
JPN |
20.84 Re | -0.1 | |
| 38 | 6 | 2 | 1115 | Cesar ALMIRON |
PAR |
20.87 Re | -0.1 | |
| 39 | 7 | 6 | 1226 | William REAIS |
SUI |
20.92 Re | +0.1 | |
| 40 | 7 | 2 | 548 | Tomáš NĚMEJC |
CZE |
21.03 Re | -0.1 | |
| 41 | 6 | 4 | 544 | Ondřej MACÍK |
CZE |
21.04 Re | +0.2 | |
| 42 | 8 | 5 | 543 | Eduard KUBELÍK |
CZE |
21.14 Re | +0.2 | |
| 43 | 7 | 3 | 1190 | Benjamin RICHARDSON |
RSA |
51.86 Re | -0.1 | |
| 2 | 558 | José GONZÁLEZ |
DOM |
DNS | ||||
| 4 | 706 | Zharnel HUGHES |
GBR |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second