The men's 400 metres hurdles event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21, 22 and 23 July.
The men's 400 metres hurdles event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21, 22 and 23 July. (en)
A prova dos 400 metros com barreiras masculino do Campeonato Mundial Júnior de Atletismo de 2010 ocorreu entre os dias 21 e 23 de julho em Moncton, no Canadá. (pt)
The men's 400 metres hurdles event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 21, 22 and 23 July. (en)
A prova dos 400 metros com barreiras masculino do Campeonato Mundial Júnior de Atletismo de 2010 ocorreu entre os dias 21 e 23 de julho em Moncton, no Canadá. (pt)