400m hurdles (84.0cm) Summary | 1st IAAF World Youth Championships

POS	Rank	Heat	BIB	ATHLETE	COUNTRY	RESULTS
4	2	1	296	Vincent Mumo Kiilu	KEN	52.67 q
3	1	5	14	Sean Avery	AUS	52.64 Q
1	1	1	109	Sergio Hierrezuelo	CUB	50.91 Q
2	1	3	468	Marnus Kritzinger	RSA	51.81 Q
6	1	2	168	Tristan Anthony	GBR	53.08 Q
28	7	2	358	Pirabu Chelladurai	MAS	56.52
19	4	1	458	Mihai Stoica	ROU	54.46
7	2	5	484	Alexandr Borshchenko	RUS	53.12 q
		5	320	Abdullah Hawsawi	KSA	DNS
20	5	5	202	Gestathios Kalfas	GRE	54.67
31	7	3	119	Jan Mazanec	CZE	58.14
30	6	3	594	Oleg Khripov	UZB	57.55
		4	36	Benjamin Torben-Nielsen	BEL	DNF
23	5	3	427	Telmo Correia	POR	55.65
14	4	3	300	Sammy Rono	KEN	53.87
24	5	1	83	Sebastián Martínez	CHI	55.68
5	1	4	490	Mikhail Lipskiy	RUS	53.07 Q
9	2	3	63	Walter Wesley Kostura Peixoto	BRA	53.31
27	6	2	7	Diego Andrés Morán	ARG	56.14
25	6	5	502	Matjaz Bukovec	SLO	56.01
15	4	5	397	Radoslaw Kowalczyu	POL	53.90
16	2	2	571	Brian Hickman	USA	54.01
26	5	4	425	Dominik Wach	POL	56.06
17	3	2	504	Urh Kopitar	SLO	54.06
10	3	3	291	Masakatsu Tanaka	JPN	53.64
32	6	1	448	Mohamed Rostom	QAT	59.38
21	4	4	311	Saleh Abu Ayesh	KSA	54.89
8	3	5	171	Jeffrey Christie	GBR	53.14 q
10	2	4	569	Gerren Crochet	USA	53.64
12	3	1	143	Álvaro Vallejo	ESP	53.82
13	3	4	278	Kazuya Fujimoto	JPN	53.84
18	4	2	211	George Thriskos	GRE	54.21
22	5	2	368	Eugen Fetcu	MDA	54.90
29	6	4	306	Aleksey Pogorelov	KGZ	56.92

400m hurdles (84.0cm) Boys