2021 World Athletics U20 Championships – Men's 100 metres

Qualification: First 3 of each heat (Q) and the 6 fastest times (q) qualified for the semifinal.[2]

Wind:
Heat 1: +0.8 m/s, Heat 2: -1.4 m/s, Heat 3: +0.7 m/s, Heat 4: +1.0 m/s, Heat 5: 0.0 m/s, Heat 6: -0.7 m/s

Rank	Heat	Name	Nationality	Time	Note
1	3	Letsile Tebogo	Botswana	10.22	Q, NU20R
2	4	Benjamin Richardson	South Africa	10.28	Q
3	1	Godson Oke Oghenebrume	Nigeria	10.35	Q
4	2	Shainer Rengifo	Cuba	10.40	Q, SB
5	6	Bryan Levell	Jamaica	10.43	Q
6	5	Oliwer Wdowik	Poland	10.44	Q, PB
7	4	Alicke Cranston	Jamaica	10.45	Q
8	5	Matteo Melluzzo	Italy	10.46	Q
9	3	Tarsis Orogot	Uganda	10.48	Q
10	6	Dominik Illovszky	Hungary	10.51	Q
11	2	Wendell Miller	Bahamas	10.51	Q, PB
12	3	Bradley Oliphant	South Africa	10.52	Q
13	6	Carlos Brown	Bahamas	10.53	Q, PB
13	2	Tomás Mondino	Argentina	10.53	Q
15	1	Almond Small	Canada	10.54	Q
16	4	Mahamat Zakaria Khalid	Qatar	10.55	Q
17	4	Angelo Ulisse	Italy	10.57	q
18	6	Ali Anwar Ali Al Balushi	Oman	10.59	q
19	5	Nazzio John	Grenada	10.59	Q
20	3	Gerardo Lomelí Ponce	Mexico	10.60	q
21	1	Yeykell Eliu Romero	Nicaragua	10.60	Q
22	4	Jayson Mandoze	Botswana	10.62	q
23	5	Bautista Diamante	Argentina	10.63	q
24	5	Eino Vuori	Finland	10.66	q
25	1	Eduard Kubelík	Czech Republic	10.66
26	6	Sylvester Simiyu	Kenya	10.66	PB
27	6	Nikolaos Panagiotopoulos	Ukraine	10.67
28	4	Steeven Salas	Ecuador	10.67
29	2	Umut Uysal	Turkey	10.69
30	4	Georgi Hristov	Bulgaria	10.72
31	2	Katriel Angulo	Ecuador	10.75
32	1	Falah Al-Khazaali	Iraq	10.75
33	1	Igor Clemente Medeiros	Brazil	10.77
34	1	Clinton Muunga	Zimbabwe	10.79
35	2	Izaias Alves	Brazil	10.79
36	3	Saif Al-Rammahi	Iraq	10.79
37	5	Elvis Khikhoe Jr. Gaseb	Namibia	10.87
38	4	Mohammed Soudd	Libya	10.95	PB
39	2	Favour Oghenetejiri Ashe	Nigeria	11.00
40	6	Oleksandr Sosnovenko	Ukraine	11.20
41	3	Ognjen Marsenić	Montenegro	11.23
42	5	Sharon Loussanga	Republic of the Congo	11.37	PB
43	2	Arthur Quaqua	Liberia	11.37	PB
44	3	Maoulida Youssouf	Comoros	11.50	PB
	3	Ali Ghasem Babaei	Iran	DNF
	5	Remigio Santander Villarubia	Equatorial Guinea	DQ	TR16.8
	6	Josué Hepburn	Honduras	DNS

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

Wind:
Heat 1: +0.5 m/s, Heat 2: +0.4 m/s, Heat 3: +0.8 m/s

Rank	Heat	Name	Nationality	Time	Note
1	1	Letsile Tebogo	Botswana	10.11	Q, NR
2	3	Godson Oke Oghenebrume	Nigeria	10.22	Q
3	2	Ali Anwar Ali Al Balushi	Oman	10.27	Q, NU20R
4	2	Matteo Melluzzo	Italy	10.29	Q
5	3	Shainer Rengifo Montoya	Cuba	10.29	Q, PB
6	2	Benjamin Richardson	South Africa	10.30	q
7	2	Nazzio John	Grenada	10.32	q, PB
8	3	Tarsis Orogot	Uganda	10.37
9	1	Oliwer Wdowik	Poland	10.37	Q, PB
10	2	Eino Vuori	Finland	10.43	PB
11	2	Wendell Miller	Bahamas	10.45	PB
12	3	Carlos Brown	Bahamas	10.47	PB
13	1	Bradley Oliphant	South Africa	10.49
14	3	Dominik Illovszky	Hungary	10.51
15	1	Almond Small	Canada	10.53
16	2	Tomás Mondino	Argentina	10.53
17	3	Jayson Mandoze	Botswana	10.54	PB
18	3	Mahamat Zakaria Khalid	Qatar	10.54
19	1	Angelo Ulisse	Italy	10.56
20	1	Bautista Diamante	Argentina	10.59
21	1	Yeykell Eliu Romero	Nicaragua	10.63
22	3	Gerardo Lomelí Ponce	Mexico	10.72
23	1	Alicke Cranston	Jamaica	10.94
	2	Bryan Levell	Jamaica	DQ	TR16.8

The final was held on 19 August at 18:27.[4]

Wind: -0.2 m/s

Rank	Lane	Name	Nationality	Time	Note
	7	Letsile Tebogo	Botswana	10.19
	3	Benjamin Richardson	South Africa	10.28
	9	Shainer Rengifo	Cuba	10.32
4	5	Ali Anwar Ali Al-Balushi	Oman	10.39
5	8	Oliwer Wdowik	Poland	10.46
6	6	Matteo Melluzzo	Italy	10.49
7	2	Nazzio John	Grenada	10.52
8	4	Godson Oke Oghenebrume	Nigeria	10.74