The women's 4x400 metres relay event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 30 and 31 July.
The women's 4x400 metres relay event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 30 and 31 July. (en)