2018 IAAF World U20 Championships – Men's 400 metres

The men's 400 metres at the 2018 IAAF World U20 Championships was held at Ratina Stadium on 11, 12 and 13 July.

Men's 400 metres at the 2018 World U20 Championships
Venue	Ratina Stadium
Dates	11, 12 and 13 July
Competitors	49 from 38 nations
Winning time	45.03
Medalists
Jonathan Sacoor   Belgium   Christopher Taylor   Jamaica   Chantz Sawyers   Jamaica

Records

Standing records prior to the 2018 IAAF World U20 Championships in Athletics
World Junior Record	Steve Lewis (USA)	43.87	Seoul, South Korea	28 September 1988
Championship Record	Hamdan Odha Al-Bishi (KSA)	44.66	Santiago, Chile	20 October 2000
World Junior Leading	Christopher Taylor (JAM)	44.88	Kingston, Jamaica	24 June 2018

Results

Heats

Qualification: First 3 of each heat (Q) and the 3 fastest times (q) qualified for the semifinals.

Rank	Heat	Name	Nationality	Time	Note
1	5	Jonathan Jones	Barbados	46.05	Q PB
2	6	Christopher Taylor	Jamaica	46.14	Q
3	6	Edoardo Scotti	Italy	46.52	Q PB
4	4	Chantz Sawyers	Jamaica	46.52	Q
5	2	Jonathan Sacoor	Belgium	46.56	Q
6	3	Aruna Dharshana	Sri Lanka	46.81	Q
7	7	Myles Misener-Daley	Canada	46.87	Q
8	6	Ricky Petrucciani	Switzerland	47.03	Q NJR
9	3	Bruno Silva	Brazil	47.05	Q
10	2	Matěj Krsek	Czech Republic	47.05	Q
11	6	Christian Davis	Australia	47.07	q
12	5	Howard Fields	United States	47.08	Q
13	3	Klaudio Gjetja	Italy	47.09	Q PB
14	1	Khamal Stewart-Baynes	Canada	47.10	Q
15	5	Jean Paul Bredau	Germany	47.11	Q
16	2	Alfredo Jiménez	Spain	47.12	Q PB
17	7	Umajesty Williams	United States	47.16	Q
18	2	Ilhwan Mo	South Korea	47.23	q
19	7	Kennedy Luchembe	Zambia	47.25	Q
20	4	Gabriel Louw	South Africa	47.32	Q
21	4	Szymon Kreft	Poland	47.35	Q
22	4	Boško Kijanović	Serbia	47.42	q PB
23	1	Musa Isah	Bahrain	47.50	Q
24	7	Leon Tafirenyika	Zimbabwe	47.55
25	3	Jure Grkman	Slovenia	47.56
26	1	Antonio Grant	Panama	47.64	Q
27	5	Iļja Petrušenko	Latvia	47.66
28	6	Laban Kiplangat	Kenya	47.69
29	5	Ondřej Holub	Czech Republic	47.71
30	5	Onal Mitchell	Trinidad and Tobago	47.77
31	6	Lovro Mesec Košir	Slovenia	47.88
32	2	Milad Naseh Jahani	Iran	47.91
33	7	Alaeddine Kebsi	Tunisia	47.96
34	2	Slimane Moula	Algeria	47.97
35	4	Ngoni Joel Chadyiwa	Zimbabwe	48.04
36	4	Shuji Mori	Japan	48.12
37	2	Daichi Sawa	Japan	48.15
38	1	Correy Sherrod	Bahamas	48.22
39	5	Rija Vatomanga Gardiner	Madagascar	48.31
40	6	Sebastian Jakubowski	Poland	48.39
41	1	Abdurahman Abdo	Ethiopia	48.46
42	3	. Gaurav	India	48.61
43	7	Stefano Antoine Bibi	Seychelles	48.92	PB
44	3	Mihai Cristian Pîslaru	Romania	49.74
	3	Colby Jennings	Turks and Caicos Islands	DNF
	7	Melkamu Assefa	Ethiopia	DQ
	4	Joshua Hartmann	Germany	DNS
	1	João Coelho	Portugal	DNS
	1	Ahmed Al-Yaari	Yemen	DNS

Semifinals

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

Rank	Heat	Name	Nationality	Time	Note
1	1	Jonathan Sacoor	Belgium	45.72	Q, NJR
2	2	Edoardo Scotti	Italy	45.84	Q, NJR
3	3	Christopher Taylor	Jamaica	46.18	Q
4	1	Chantz Sawyers	Jamaica	46.19	Q
5	2	Jonathan Jones	Barbados	46.22	Q
6	3	Khamal Stewart-Baynes	Canada	46.38	Q
7	3	Howard Fields	United States	46.53	q
8	2	Myles Misener-Daley	Canada	46.53	q
9	1	Matěj Krsek	Czech Republic	46.59	NJR
10	2	Umajesty Williams	United States	46.72
11	1	Bruno Silva	Brazil	46.74
12	3	Szymon Kreft	Poland	46.74
13	3	Aruna Dharshana	Sri Lanka	46.75
14	2	Alfredo Jiménez	Spain	46.93	PB
15	3	Musa Isah	Bahrain	46.94
16	1	Klaudio Gjetja	Italy	47.10
17	2	Kennedy Luchembe	Zambia	47.35
18	1	Ricky Petrucciani	Switzerland	47.39
19	2	Gabriel Louw	South Africa	47.63
20	3	Jean Paul Bredau	Germany	47.70
21	1	Christian Davis	Australia	47.86
22	2	Boško Kijanović	Serbia	48.15
23	1	Antonio Grant	Panama	48.23
	3	Ilhwan Mo	South Korea	DQ

Final

Rank	Lane	Name	Nationality	Time	Note
	5	Jonathan Sacoor	Belgium	45.03	NJR
	6	Christopher Taylor	Jamaica	45.38
	4	Chantz Sawyers	Jamaica	45.89
4	3	Edoardo Scotti	Italy	46.20
5	2	Howard Fields	United States	46.53
6	7	Khamal Stewart-Baynes	Canada	46.79
7	1	Myles Misener-Daley	Canada	47.03
8	8	Jonathan Jones	Barbados	48.01