First 2 in each heat (Q) and the next 2 fastest (q)

First 2 of each heat (Q) plus 2 fastest times (q) qualify to Final

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms* WIND
1 1 3 3016 Noah LYLES USAUSA 19.51 Q WL +1.0
2 1 2 2560 Bryan LEVELL JAMJAM 19.78 Q 0.0
3 1 1 2976 Kenneth BEDNAREK USAUSA 19.88 Q -0.1
4 2 2 2113 Letsile TEBOGO BOTBOT 19.95 Q .944 0.0
4 2 3 2380 Zharnel HUGHES GBRGBR 19.95 Q .944 +1.0
6 3 3 2853 Sinesipho DAMBILE RSARSA 19.97 q PB +1.0
7 2 1 2258 Alexander OGANDO DOMDOM 19.98 Q .971 -0.1
8 4 3 3065 Tapiwanashe MAKARAWU ZIMZIM 19.98 q .972 +1.0
9 3 1 3064 Makanakaishe CHARAMBA ZIMZIM 20.03 -0.1
10 5 3 2559 Adrian KERR JAMJAM 20.08 PB +1.0
11 4 1 2878 Wayde VAN NIEKERK RSARSA 20.12 -0.1
12 6 3 2152 Andre DE GRASSE CANCAN 20.13 SB +1.0
13 5 1 2572 Christopher TAYLOR JAMJAM 20.21 PB -0.1
14 6 1 2622 Towa UZAWA JPNJPN 20.23 -0.1
15 7 3 2753 Udodi Chudi ONWUZURIKE NGRNGR 20.26 +1.0
16 3 2 3013 Courtney LINDSEY USAUSA 20.30 0.0
17 8 3 2919 Henrik LARSSON SWESWE 20.32 PB +1.0
18 4 2 2033 Gout GOUT AUSAUS 20.36 0.0
19 5 2 2149 Jerome BLAKE CANCAN 20.41 0.0
20 6 2 2737 Xavi MO-AJOK NEDNED 20.55 0.0
21 7 1 2904 William REAIS SUISUI 20.59 .583 -0.1
22 8 1 2150 Aaron BROWN CANCAN 20.59 .590 -0.1
23 7 2 2902 Timothé MUMENTHALER SUISUI 20.66 0.0
24 8 2 2357 Ryan ZEZE FRAFRA 20.73 0.0
Legend

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