400m hurdles (84.0cm) Result | 5th IAAF World Youth Championships

First 4 in each heat (Q)

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	725	William Wynne	USA	50.28 Q WYL	0.137
2	40	Nathan Arnett	BAH	51.77 Q PB	0.188
3	402	Julius Rotich Oletygor	KEN	51.77 Q PB	0.162
4	553	PC Beneke	RSA	51.94 Q	0.150
5	234	Michael Baker	GBR	51.98 PB	0.159
6	584	Nikita Andriyanov	RUS	52.70	0.172
7	413	Adel Al-Nasser	KSA	53.33 PB	0.209
8	702	Ihor Shyrokyy	UKR	55.44	0.169

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	724	Reginald Wyatt	USA	50.48 Q PB	0.181
2	132	Amaurys R. Valle	CUB	51.04 Q PB	0.161
3	559	Cornel Fredericks	RSA	51.82 Q	0.141
4	410	Hamada Al-Bishi	KSA	52.27 Q PB	0.157
5	380	Tatsuhiko Mizuno	JPN	52.71	0.190
6	367	Dwayne Extol	JAM	52.92 PB	0.156
7	84	Gabriel El Hanbli	CAN	53.18	0.147
8	397	Boniface Linga Mutunga	KEN	53.31	0.173