400 Metres Result | 12th IAAF World Junior Championships

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

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	335	Kirani JAMES	GRN	46.55 Q	0.152
2	809	Marcus Boyd	USA	46.88 Q	0.200
3	143	Petr Vanek	CZE	47.22	0.164
4	344	Marcell Deák Nagy	HUN	47.43	0.155
5	488	Janis Leitis	LAT	47.51	0.233
6	693	Awadelkarim Makki	SUD	48.21	0.179
7	38	Juan Lewis	BAH	48.30	0.164
8	424	Hideyuki Hirose	JPN	48.30	0.149
9	428	Akihiro Urano	JPN	48.34	0.155

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	304	Niklas Zender	GER	46.78 Q	0.156
2	368	Brian GREGAN	IRL	46.88 Q	0.196
3	272	Nigel Levine	GBR	47.14	0.211
4	751	Zwede Hewitt	TTO	47.36	0.170
5	658	Vladimir Krasnov	RUS	47.38	0.184
6	446	Silvester Kirwa Meli	KEN	47.73	0.162
7	328	Pétros Kiriakídis	GRE	48.03	0.228
	469	Ismail M.H Alsabani	KSA	DQ	0.253

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	844	O'Neal Wilder	USA	46.08 Q	0.210
2	19	Kurt Mulcahy	AUS	46.56 Q	0.167
3	91	Tyler Daniel Harper	CAN	46.81 q PB	0.209
4	274	Jordan McGrath	GBR	47.13 q	0.233
5	334	Rondell Bartholomew	GRN	47.60	0.201
6	619	Juan Carlos Vega	PUR	47.94	0.241
7	553	Mauritz Kåshagen	NOR	48.22	0.160
8	2	Curtis Kock	AHO	48.36	0.168