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 1 3007 Noah LYLES USAUSA 19.76 Q -0.1
2 1 2 2969 Kenneth BEDNAREK USAUSA 19.96 Q 0.0
3 2 2 2102 Letsile TEBOGO BOTBOT 19.97 Q 0.0
4 1 3 3003 Erriyon KNIGHTON USAUSA 19.98 Q -0.4
5 2 3 2350 Zharnel HUGHES GBRGBR 20.02 Q .014 -0.4
6 2 1 2221 Alexander OGANDO DOMDOM 20.02 Q .017 -0.1
7 3 3 2140 Andre DE GRASSE CANCAN 20.10 q -0.4
8 4 3 2644 Joseph FAHNBULLEH LBRLBR 20.21 q -0.4
9 3 2 3006 Courtney LINDSEY USAUSA 20.22 0.0
10 3 1 2948 Tarsis Gracious OROGOT UGAUGA 20.26 -0.1
11 4 1 2155 Brendon RODNEY CANCAN 20.27 -0.1
12 4 2 2824 Sinesipho DAMBILE RSARSA 20.28 PB 0.0
13 5 3 2598 Towa UZAWA JPNJPN 20.33 -0.4
14 5 1 2545 Andrew HUDSON JAMJAM 20.38 qR -0.1
15 5 2 2109 Renan CORREA BRABRA 20.43 0.0
16 6 1 2821 Luxolo ADAMS RSARSA 20.44 -0.1
17 6 3 2539 Rasheed DWYER JAMJAM 20.49 -0.4
18 7 1 2568 Shota IIZUKA JPNJPN 20.54 -0.1
19 6 2 2701 Taymir BURNET NEDNED 20.65 .643 0.0
20 7 3 2829 Shaun MASWANGANYI RSARSA 20.65 .646 -0.4
21 8 3 2880 William REAIS SUISUI 20.67 -0.4
22 8 1 2208 Ondřej MACÍK CZECZE 20.71 -0.1
23 7 2 2715 Alaba Olukunle AKINTOLA NGRNGR 20.75 0.0
2 2138 Aaron BROWN CANCAN DQ
Legend

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