Heats

Qualification: First 4 of each heat (Q) and the 4 fastest times (q) qualified for the semifinals.^[1]

Wind:
Heat 1: +1.3 m/s, Heat 2: +0.9 m/s, Heat 3: +1.6 m/s, Heat 4: -1.2 m/s, Heat 5: +1.3 m/s

Rank	Heat	Name	Nationality	Time	Note
1	4	Clarence Munyai	South Africa	20.40	Q
2	3	Tlotliso Leotlela	South Africa	20.63	Q
3	3	Roger Gurski	Germany	20.73	Q, PB
4	5	Michael Norman Jr.	United States	20.74	Q
5	4	Cameron Tindle	Great Britain	20.78	Q, PB
6	2	Ryan Gorman	Great Britain	20.84	Q, PB
7	3	Akanni Hislop	Trinidad and Tobago	20.87	Q, PB
8	2	Nigel Ellis	Jamaica	20.87	Q
9	4	Jun Yamashita	Japan	20.89	Q, PB
10	4	Mathias Hove Johansen	Norway	21.00	Q, PB
11	1	Vladislav Grigoryev	Kazakhstan	21.02	Q
12	1	Yang Chun-han	Chinese Taipei	21.11	Q
13	4	Marcus Tornée	Sweden	21.19	q, PB
14	1	Micaiah Harris	United States	21.19	Q
15	2	Emmanuel Arowolo	Nigeria	21.20	Q
16	5	Coull Graham	Antigua and Barbuda	21.31	Q
17	5	Hamish Gill	New Zealand	21.33	Q
18	2	Samson Colebrooke	Bahamas	21.35	Q
19	2	Ko Seung-hwan	South Korea	21.35	q
20	4	Trae Williams	Australia	21.40	q
21	1	Wataru Inuzuka	Japan	21.41	Q
22	5	Vinicius Moraes	Brazil	21.46	Q
23	1	Moffat Ngari Wanjiru	Kenya	21.47	q
24	2	Moussa Ali Issa	Bahrain	21.53
25	3	Xholani Talane	Botswana	21.64	Q
26	5	Dániel Szabó	Hungary	21.78
27	1	Lee Gyu-hyeong	South Korea	21.84
28	3	Ezequiel Suárez	Puerto Rico	21.93
29	4	Kentoine Browne	Barbados	22.00
30	2	Dicki-Terry Mael	Vanuatu	22.06	NU20R
31	1	Mahmoud El Daou	Lebanon	22.39
32	1	Jessy Franco	Gibraltar	22.44
33	3	Pascual Ochaga	Equatorial Guinea	24.70	PB
	5	Loïc Prevot	France	DNF
	3	Hujaye Cornwall	Jamaica	DQ	R163.3(a)[2]
	2	Arturo Deliser	Panama	DNS
	3	Mohamed Fares Jlassi	Tunisia	DNS
	5	Mario Burke	Barbados	DNS

Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.^[3]

Wind:
Heat 1: +1.5 m/s, Heat 2: +1.1 m/s, Heat 3: +2.0 m/s

Rank	Heat	Name	Nationality	Time	Note
1	1	Clarence Munyai	South Africa	20.54	Q
2	3	Tlotliso Leotlela	South Africa	20.58	Q
3	1	Roger Gurski	Germany	20.64	Q, PB
4	1	Jun Yamashita	Japan	20.67	q, PB
5	2	Michael Norman Jr.	United States	20.71	Q[4]
5	1	Cameron Tindle	Great Britain	20.71	q[5]
7	3	Nigel Ellis	Jamaica	20.78	Q
8	2	Yang Chun-han	Chinese Taipei	20.90	Q
9	2	Ryan Gorman	Great Britain	20.91
10	1	Micaiah Harris	United States	20.97
11	3	Vladislav Grigoryev	Kazakhstan	21.08
12	3	Emmanuel Arowolo	Nigeria	21.16
13	2	Mathias Hove Johansen	Norway	21.19
14	2	Coull Graham	Antigua and Barbuda	21.24	PB
15	1	Vinicius Moraes	Brazil	21.25
16	3	Samson Colebrooke	Bahamas	21.30	PB
17	3	Wataru Inuzuka	Japan	21.40
18	1	Xholani Talane	Botswana	21.40
19	1	Moffat Ngari Wanjiru	Kenya	21.48
20	2	Hamish Gill	New Zealand	21.49
21	3	Trae Williams	Australia	21.49
22	2	Ko Seung-hwan	South Korea	21.50
23	2	Marcus Tornée	Sweden	21.70
	3	Akanni Hislop	Trinidad and Tobago	DNF

Final

Wind: +1.2 m/s^[6]

Rank	Lane	Name	Nationality	Time	Note
	6	Michael Norman Jr.	United States	20.17	CR
	5	Tlotliso Leotlela	South Africa	20.59
	8	Nigel Ellis	Jamaica	20.63
4	4	Clarence Munyai	South Africa	20.77
5	9	Yang Chun-han	Chinese Taipei	20.81
6	7	Roger Gurski	Germany	20.81
7	3	Cameron Tindle	Great Britain	20.82
8	2	Jun Yamashita	Japan	20.94