The men's 4 x 400 metres relay event at the 2014 World Junior Championships in Athletics was held in Eugene, Oregon, USA, at Hayward Field on 26 and 27 July.
The men's 4 x 400 metres relay event at the 2014 World Junior Championships in Athletics was held in Eugene, Oregon, USA, at Hayward Field on 26 and 27 July. (en)
A prova dos 4x400 metros masculino do Campeonato Mundial Júnior de Atletismo de 2014 ocorreu entre os dias 26 e 27 de julho em Eugene, nos Estados Unidos. (pt)