400 Metres Summary | 13th IAAF World Junior Championships

First 2 in each heat (Q) and the next 2 fastest (q)

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	1	467	Marcell Deák Nagy	HUN	46.23 Q
2	1	2	459	Kirani JAMES	GRN	46.27 Q
3	2	2	431	Marco Kaiser	GER	46.40 Q
4	1	3	893	Joshua Mance	USA	46.43 Q
5	2	1	897	Errol Nolan	USA	46.47 Q
6	3	2	287	Luguelín SANTOS	DOM	46.54 q
7	2	3	224	Alistair Moona	CAN	46.83 Q
8	3	1	178	Pako Seribe	BOT	47.02 q SB
9	4	2	647	Salihu Isah	NGR	47.09
10	3	3	690	Mateusz Fórmanski	POL	47.09
11	4	3	175	Thapelo Ketlogetswe	BOT	47.23
12	4	1	918	Omar Longart	VEN	47.25
13	5	1	655	Tobi Ogunmola	NGR	47.43
14	5	2	738	Shaun de Jager	RSA	47.47
15	5	3	827	Deon LENDORE	TTO	47.49
16	6	2	839	Halit Kiliç	TUR	47.61
17	6	3	674	Alex Jordan	NZL	47.65
18	7	3	434	Philipp Kleemann	GER	47.86
19	6	1	740	Jacques de Swardt	RSA	47.98
20	8	3	533	Demar Murray	JAM	48.01
21	7	1	378	Jonathan Vilaine	FRA	48.08
22	7	2	291	Mohamed El Sayed A, Ibrahim	EGY	48.31
23	8	1	786	Awadelkarim Makki	SUD	48.55
		2	585	Taegeon Park	KOR	DQ

400 Metres men