400 Metres Summary | IAAF World U20 Championships Tampere 2018

First 3 in each heat (Q) and the next 3 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS	ms*
1	1	5	145	Jonathan Jones	BAR	46.05 Q PB
2	1	6	417	Christopher Taylor	JAM	46.14 Q
3	2	6	402	Edoardo Scotti	ITA	46.52 Q PB	.513
4	1	4	419	Chantz Sawyers	JAM	46.52 Q	.516
5	1	2	147	Jonathan Sacoor	BEL	46.56 Q
6	1	3	565	Aruna Dharshana	SRI	46.81 Q
7	1	7	186	Myles Misener-Daley	CAN	46.87 Q
8	3	6	578	Ricky Petrucciani	SUI	47.03 Q NU20R
9	2	3	174	Bruno Silva	BRA	47.05 Q	.044
10	2	2	207	Matěj Krsek	CZE	47.05 Q	.049
11	4	6	115	Christian Davis	AUS	47.07 q
12	2	5	642	Howard Fields	USA	47.08 Q
13	3	3	397	Klaudio Gjetja	ITA	47.09 Q PB
14	1	1	181	Khamal Stewart-Baynes	CAN	47.10 Q
15	3	5	316	Jean Paul Bredau	GER	47.11 Q
16	3	2	233	Alfredo Jimenez	ESP	47.12 Q PB
17	2	7	662	Umajesty Williams	USA	47.16 Q
18	4	2	468	Ilhwan Mo	KOR	47.23 q
19	3	7	669	Kennedy Luchembe	ZAM	47.25 Q
20	2	4	551	Gabriel Louw	RSA	47.32 Q
21	3	4	519	Szymon Kreft	POL	47.35 Q
22	4	4	564	Boško Kijanović	SRB	47.42 q PB
23	2	1	177	Musa Isah	BRN	47.50 Q
24	4	7	675	Leon Tafirenyika	ZIM	47.55
25	4	3	561	Jure Grkman	SLO	47.56
26	3	1	511	Antonio Grant	PAN	47.64 Q
27	4	5	479	Iļja Petrušenko	LAT	47.66
28	5	6	453	Laban Kiplangat	KEN	47.69
29	5	5	209	Ondřej Holub	CZE	47.71
30	6	5	599	Onal Mitchell	TTO	47.77
31	6	6	562	Lovro Mesec Košir	SLO	47.88
32	5	2	378	Milad Naseh Jahani	IRI	47.91
33	5	7	604	Alaeddine Kebsi	TUN	47.96
34	6	2	107	Slimane Moula	ALG	47.97
35	5	4	671	Ngoni Joel Chadyiwa	ZIM	48.04
36	6	4	440	Shuji Mori	JPN	48.12
37	7	2	441	Sawa Daichi	JPN	48.15
38	4	1	140	Correy Sherrod	BAH	48.22
39	7	5	483	Rija Vatomanga Gardiner	MAD	48.31
40	7	6	518	Sebastian Jakubowski	POL	48.39
41	5	1	252	Abdurahman Abdo	ETH	48.46
42	5	3	365	. Gaurav	IND	48.61
43	6	7	558	Stefano Antoine Bibi	SEY	48.92 PB
44	6	3	547	Mihai Cristian Pîslaru	ROU	49.74
		7	256	Melkamu Assefa	ETH	DQ
		3	592	Colby Jennings	TKS	DNF
		4	326	Joshua Hartmann	GER	DNS
		1	531	João Coelho	POR	DNS
		1	668	Ahmed Al Yaari	YEM	DNS