2011 World Youth Championships in Athletics – Boys' 400 metres hurdles explained

Event:	Boys' 400 metres hurdles
Competition:	2011 World Youth Championships in Athletics
Venue:	Stadium Lille Métropole
Dates:	6 July (heats) 7 July (semifinal) 9 July (final)
Competitors:	43
Win Value:	50.97
Gold:	Egor Kuznetsov
Goldnoc:	RUS
Silver:	Ibrahim Mohammed Saleh
Silvernoc:	KSA
Bronze:	Takahiro Matsumoto
Bronzenoc:	JPN
Prev:	2009
Next:	2013

The boys' 400 metres hurdles at the 2011 World Youth Championships in Athletics was held at the Stadium Lille Métropole on 6, 7 and 9 July.^[1]

Medalists

width=200 bgcolor=gold	Gold	width=200 bgcolor=silver	Silver	width=200 bgcolor=CC9966	Bronze
Egor Kuznetsov	Ibrahim Mohammed Saleh	Takahiro Matsumoto

Prior to the competition, the following records were as follows.

During the competition, Egor Kuznetsov lowered the world youth leading to 50.97.

Qualification rule: first 3 of each heat (Q) plus the 6 fastest times (q) qualified.^[2]

Rank	Lane	Time	Notes
1	3	51.93	Q, PB
2	4	51.94	Q, PB
3	2	52.58	Q, PB
4	5	53.09	q
5	7	53.22	q, PB
6	6	54.55	PB
7	1	55.77

Rank	Lane	Time	Notes
1	5	52.22	Q
2	7	53.47	Q, PB
3	3	53.88	Q
4	1	53.92	q
5	2	54.24	PB
6	6	55.54
7	4	55.63

Rank	Lane	Time	Notes
1	6	52.74	Q
2	5	53.57	Q
3	7	53.78	Q, PB
4	1	54.26
5	4	55.00	PB
6	3	57.64
7	2	58.15

Rank	Lane	Time	Notes
1	3	53.46	Q, PB
2	2	53.52	Q
3	4	53.93	Q
4	5	54.84	PB
5	1	56.28
6	7	56.94	SB
7	6	57.24

Rank	Lane	Time	Notes
1	7	51.71	Q, PB
2	2	51.74	Q, PB
3	4	52.30	Q
4	1	52.76	q, PB
5	6	53.22	q, PB
6	5	53.90	q, PB
7	3	56.03

Qualification rule: first 2 of each heat (Q) plus the 2 fastest times (q) qualified.^[3]

Rank	Lane	Time	Notes
1	4	52.20	Q, PB
2	5	52.42	Q, PB
3	3	52.96
4	6	53.13	PB
5	8	53.26	SB
6	7	53.67	PB
7	2	54.10
8	1	54.65

Rank	Lane	Time	Notes
1	8	51.57	Q, PB
2	5	51.59	Q, PB
3	3	51.72	q, PB
4	6	51.91	q
5	4	52.77	PB
6	1	53.40
7	7	53.79
8	2	54.09	PB

Rank	Lane	Time	Notes
1	6	51.31	Q, PB
2	7	51.92	Q, PB
3	3	52.06
4	1	52.18	PB
5	5	52.48
6	4	52.54
7	8	53.75
8	2	53.88	PB