400 Metres Summary | 6th IAAF World Youth Championships

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

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
1	1	2	307	Kirani James	GRN	46.43 Q
2	2	2	766	Joshua Mance	USA	46.65 Q
3	3	2	272	Nathan Wake	GBR	46.86 q PB
4	1	3	678	Awadelkarim Makki	SUD	47.49 Q SB
5	4	2	413	Shogo Momiki	JPN	47.51 q
6	1	1	399	Javere Bell	JAM	48.03 Q
7	2	1	284	Varg Königsmark	GER	48.04 Q
8	2	3	549	Frazer Wickes	NZL	48.05 Q
9	5	2	741	Hadi Nsamba	UGA	48.05 PB
10	3	1	35	Alex Beck	AUS	48.17
11	4	1	80	Leandro de Araújo	BRA	48.19
12	6	2	716	Deon Lendore	TTO	48.20 PB
13	3	3	611	Jacques de Swardt	RSA	48.29
14	4	3	414	Ko Kayada	JPN	48.59
15	5	1	435	Anthony Chemut	KEN	48.60
16	6	1	652	Lestrod Roland	SKN	48.61
17	5	3	269	Greg Louden	GBR	48.71
18	7	2	95	Benjamin Ayesu-Attah	CAN	48.72
19	8	2	617	Michael Kruger	RSA	48.89
20	7	1	8	Mohamed A/raouf Chetoui	ALG	49.40
21	6	3	201	Bertrán Alcaraz	ESP	49.63
22	8	1	676	Nadir Abdelrhman Musa	SUD	49.85
23	7	3	436	Nathan Kibiwot Kibor	KEN	50.04
24	8	3	383	Davide Re	ITA	50.63

400 Metres Boys