400m hurdles (84.0cm) Result | 7th IAAF World Youth Championships

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

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	497	Takahiro Matsumoto	JPN	52.20 Q PB	0.205
2	660	Ramfis Vega	PUR	52.42 Q PB	0.195
3	429	Durgesh Kumar Pal	IND	52.96	0.174
4	609	Chiebonam Mba	NGR	53.13 PB	0.199
5	163	Tramaine Maloney	BAR	53.26 SB	0.165
6	445	Mustafa Ammar Shaheen	IRQ	53.67 PB	0.170
7	619	Markus Loftås	NOR	54.10	0.199
8	249	Gerald Drummond	CRC	54.65	0.191

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	698	Constant Pretorius	RSA	51.57 Q PB	0.182
2	550	Ibrahim Mohammed Saleh	KSA	51.59 Q PB	0.201
3	496	Shota Madokoro	JPN	51.72 q PB	0.147
4	482	Omar McLeod	JAM	51.91 q	0.189
5	162	Kion Joseph	BAR	52.77 PB	0.143
6	205	Dylan Dimock	CAN	53.40	0.178
7	802	Nimet Sen	TUR	53.79	0.181
8	815	Oleksiy Matskevych	UKR	54.09 PB	0.174

POS	BIB	ATHLETE	COUNTRY	MARK	Reaction Time
1	712	Egor Kuznetsov	RUS	51.31 Q PB	0.264
2	529	Ken Kirui Tele	KEN	51.92 Q PB	0.169
3	837	Jonathan Russell	USA	52.06	0.148
4	797	Riadh Sayeh	TUN	52.18 PB	0.185
5	546	Yahya Ibrahim Barnawi	KSA	52.48	0.184
6	695	Christiaan Mouton	RSA	52.54	0.186
7	457	Mattia Contini	ITA	53.75	0.148
8	599	Jean Lindsay Emilien	MRI	53.88 PB	0.171