First 3 in each heat (Q) and the next 3 fastest (q)

First 3 of each heat (Q) plus 3 fastest times (q) qualify to Semi-Final

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms* WIND
1 1 7 2400 Noah LYLES USAUSA 19.98 Q -0.3
2 1 3 2396 Erriyon KNIGHTON USAUSA 20.01 Q .008 +2.1
2 1 4 1740 Alexander OGANDO DOMDOM 20.01 Q NR .008 +0.5
4 2 3 2247 Luxolo ADAMS RSARSA 20.10 Q +2.1
5 3 3 1882 Nethaneel MITCHELL-BLAKE GBRGBR 20.11 Q +2.1
6 1 1 2115 Joseph FAHNBULLEH LBRLBR 20.12 Q +1.0
7 4 3 1738 Yancarlos MARTÍNEZ DOMDOM 20.13 q +2.1
8 1 5 2389 Fred KERLEY USAUSA 20.17 Q +0.4
9 1 6 2012 Filippo TORTU ITAITA 20.18 Q +1.0
10 2 1 2074 Koki UEYAMA JPNJPN 20.26 Q PB +1.0
11 2 5 2250 Sinesipho DAMBILE RSARSA 20.29 Q PB .283 +0.4
12 2 7 2025 Rasheed DWYER JAMJAM 20.29 Q SB .288 -0.3
13 3 1 1638 Jerome BLAKE CANCAN 20.30 Q .295 +1.0
14 3 7 1681 Zhenye XIE CHNCHN 20.30 Q .298 -0.3
15 4 1 1867 Joe FERGUSON GBRGBR 20.33 q +1.0
16 3 5 2184 Udodi Chudi ONWUZURIKE NGRNGR 20.34 Q +0.4
17 1 2 2320 Jereem RICHARDS TTOTTO 20.35 Q .344 0.0
18 2 4 2355 Kenneth BEDNAREK USAUSA 20.35 Q .345 +0.5
19 4 5 2020 Yohan BLAKE JAMJAM 20.35 q .346 +0.4
20 5 1 1933 Joseph Paul AMOAH GHAGHA 20.40 SB +1.0
21 2 6 1853 Guy MAGANGA GORRA GABGAB 20.44 Q NR .431 +1.0
22 3 4 2340 Tarsis Gracious OROGOT UGAUGA 20.44 Q .432 +0.5
23 3 6 1540 Calab LAW AUSAUS 20.50 Q PB +1.0
24 4 7 1893 Owen ANSAH GERGER 20.52 -0.3
25 5 7 2317 Eric HARRISON JR. TTOTTO 20.54 -0.3
26 5 3 2021 Akeem BLOOMFIELD JAMJAM 20.56 +2.1
27 2 2 1639 Aaron BROWN CANCAN 20.60 Q .594 0.0
28 4 6 1868 Adam GEMILI GBRGBR 20.60 .596 +1.0
29 6 3 2305 Sibusiso MATSENJWA SWZSWZ 20.60 .600 +2.1
30 4 4 1995 Eseosa Fostine DESALU ITAITA 20.63 +0.5
31 6 7 1631 Lucas VILAR BRABRA 20.65 SB -0.3
32 5 5 2294 William REAIS SUISUI 20.71 SB +0.4
33 3 2 2052 Shota IIZUKA JPNJPN 20.72 Q .717 0.0
34 7 3 2439 Tinotenda MATIYENGA ZIMZIM 20.72 .720 +2.1
35 7 7 1712 Jan JIRKA CZECZE 20.73 -0.3
36 6 5 1546 Aidan MURPHY AUSAUS 20.75 +0.4
37 4 2 2259 Shaun MASWANGANYI RSARSA 20.79 0.0
38 5 2 1724 Simon HANSEN DENDEN 20.80 .793 0.0
39 5 2 1706 Shainer RENGIFO MONTOYA CUBCUB 20.80 .793 0.0
40 5 4 1830 Mouhamadou FALL FRAFRA 20.83 +0.5
41 6 1 1626 Lucas RODRIGUES DA SILVA BRABRA 20.90 +1.0
42 6 4 1697 Hachim MAAROUFOU COMCOM 20.91 +0.5
43 7 2 1950 Joseph GREEN GUMGUM 22.04 0.0
44 5 6 2210 Alonso EDWARD PANPAN 22.08 +1.0
4 1511 Marcos SANTOS ANGANG DQ
1 2215 Terrence TALIO PNGPNG DQ
6 1640 Andre DE GRASSE CANCAN DNS
6 2060 Yuki KOIKE JPNJPN DNS
5 1686 Emmanuel ESEME CMRCMR DNS
Legend

ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second