2011 World Youth Championships in Athletics – Boys' 800 metres
The Men's 800 metres at the 2011 World Youth Championships in Athletics was held at the Stadium Nord Lille Métropole on 6, 7 and 8 July. Medalists

Records
Prior to the competition, the following records were as follows. During the competition, Leonard Kirwa Kosencha lowered Belal Mansoor Ali's world youth best to 1:44.08, thereby establishing a new championship record, too. Heats 
Qualification rule: first 3 of each heat (Q) plus the 3 fastest times (q) qualified. Heat 1

Heat 2

Heat 3

Heat 4

Heat 5

Heat 6

Heat 7

Semifinals 
Qualification rule: first 2 of each heat (Q) plus the 2 fastest times (q) qualified. Heat 1

Heat 2

Heat 3

Final

References 

2011 World Youth Championships in Athletics