The men's 4x400 metres relay event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 24 and 25 July.
Contents
Final
25 July
Heats
24 July
Participation
According to an unofficial count, 81 athletes from 19 countries participated in the event.
References
2010 World Junior Championships in Athletics – Men's 4 × 400 metres relay Wikipedia(Text) CC BY-SA