2013 World Youth Championships in Athletics – Boys' 400 metres

The Boys' 400 metres at the 2013 World Youth Championships in Athletics was held on 10–12 July.

Records

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

World Youth Best	Obea Moore (USA)	45.14	Santiago de Chile, Chile	2 September 1995
Championship Record	Kirani James (GRN)	45.24	Brixen, Italy	10 July 2009
World Youth Leading	Devaughn Baker (JAM)	46.64	Kingston, Jamaica	16 March 2013
	Chris Platt (USA)		Austin, TX, United States	10 May 2013

Heats

Qualification rule: first 2 of each heat (Q) plus the 8 fastest times (q) qualified.

Heat 1

Rank	Lane	Name	Nationality	Time	Notes
1	6	Batuhan Altıntaş	Turkey	47.50	Q
2	5	Haji Turie	Ethiopia	47.83	Q, PB
3	3	Dimitrios Vlahas	Greece	47.92	q, PB
4	2	Alexander Lerionka Sampao	Kenya	47.94	q
5	8	Khalifa Bakhit Bin Jarn	United Arab Emirates	48.95	PB
6	7	Zubin Percy Muncherji	Singapore	49.20
7	1	Nicolae Gorcea	Romania	49.21
	4	Jaturong Chimrueang	Thailand	DNS

Heat 2

Rank	Lane	Name	Nationality	Time	Notes
1	1	Omeiza John Akerele	Nigeria	48.29	Q
2	2	Giuseppe Leonardi	Italy	48.44	Q
3	7	Eckhardt Roussouw	South Africa	49.16
4	6	Luis Arizala	Colombia	49.31
5	3	Kyron McMaster	British Virgin Islands	49.52
6	4	Darwin Echeverry	Spain	49.54
7	8	Mykhaylo Tyutyunnykov	Ukraine	49.68	PB
	5	Tatenda Matesanwa	Zimbabwe	DNS

Heat 3

Rank	Lane	Name	Nationality	Time	Notes
1	7	Ian Mutuku	Kenya	46.85	Q, PB
2	3	Samuel Baird	Australia	46.97	Q, PB
3	8	Kakeru Yamaki	Japan	46.99	q, PB
4	6	Warren Hazel	Saint Kitts and Nevis	47.23	q, PB
5	1	Constantin Schmidt	Germany	48.28	q
6	5	Edwin Diodonet	Puerto Rico	49.10
7	2	Berk Köksal	Turkey	49.28	PB
8	4	Christian Sand Clausen	Denmark	49.93

Heat 4

Rank	Lane	Name	Nationality	Time	Notes
1	3	Kaisei Yui	Japan	47.28	Q
2	8	Laurin Walter	Germany	47.74	Q, PB
3	7	Jordan Jimerson	United States	48.28	q
4	6	Mykhaylo Yavorskyy	Ukraine	48.67
5	5	Kevin Emanuel Lecitra	Argentina	48.84	PB
6	4	Vincent Karger	Luxembourg	48.91	PB
7	2	Euddy Roberti	Venezuela	49.63

Heat 5

Rank	Lane	Name	Nationality	Time	Notes
1	3	Ryan Clark	United States	46.84	Q, PB
2	5	Mazen Al Yasen	Saudi Arabia	48.30	Q
3	7	Emanuele Grossi	Italy	48.55	PB
4	8	Szabolcs Vígvári	Hungary	49.15
5	2	Jakob Brull	Canada	49.29
6	6	Kinard Rolle	Bahamas	49.51
7	4	Cristian Taut	Romania	50.40

Heat 6

Rank	Lane	Name	Nationality	Time	Notes
1	3	Martin Manley	Jamaica	47.08	Q
2	8	Abbas Abubaker	Bahrain	47.28	Q, PB
3	7	Samson Oghenewegba Nathaniel	Nigeria	47.90	q
4	6	Wandifa Sanneh	Gambia	48.80	PB
5	5	Mateo Kovacic	Croatia	49.20
6	1	Ricardo Feliciano	Puerto Rico	49.83
7	4	Jeffri Arcia	Nicaragua	50.16
	2	Batinisavu Uluiyata	Fiji	DQ

Heat 7

Rank	Lane	Name	Nationality	Time	Notes
1	2	Janeko Cartwright	Bahamas	47.25	Q, PB
2	1	Mohamed Nasir Abbas	Qatar	47.45	Q, PB
3	7	Erik Martinsson	Sweden	47.70	q, PB
4	4	Miguel Ángel Ortega	Panama	48.59	PB
5	6	Kelvis Padrino	Venezuela	48.70	PB
6	3	Dmitriy Karaulov	Kazakhstan	49.89
7	8	Saula Nodrakoro	Fiji	50.90
	5	Tijan Keita	Gambia	DQ

Heat 8

Rank	Lane	Name	Nationality	Time	Notes
1	5	Devaughn Baker	Jamaica	47.58	Q
2	6	Jason Yaw	Guyana	48.38	Q
3	8	Jaka Zupan	Slovenia	48.55	PB
4	2	Wang Wei-Hsu	Chinese Taipei	49.06
5	3	Muhamad Azam Masri	Malaysia	49.33
6	4	Alexander Szuba	Canada	49.72
7	7	Akhenaton Pierre	Saint Lucia	49.92

Semifinals

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