The men's 400 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 20, 21 and 22 July.[1][2]
Medalists
Results
Final
22 July
Semifinals
21 July
Semifinal 1
Semifinal 2
Semifinal 3
Heats
20 July
Heat 1
Heat 2
Heat 3
Heat 4
Heat 5
Heat 6
Participation
According to an unofficial count, 44 athletes from 31 countries participated in the event.
References