1986 World Junior Championships in Athletics – Women's 400 metres

The women's 400 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.

Final
18 July

Semifinals
17 July

Heats
16 July

Participation
According to an unofficial count, 33 athletes from 27 countries participated in the event. • undefined (1)

• 🇦🇮 anguilla (1)

• 🇦🇬 antigua and barbuda (1)

• 🇦🇹 austria (1)

• 🇧🇷 brazil (1)

• 🇨🇦 canada (2)

• undefined (1)

• undefined (1)

• 🇪🇨 ecuador (2)

• undefined (1)

• 🇭🇺 hungary (2)

• 🇮🇶 iraq (1)

• 🇮🇹 italy (1)

• 🇯🇲 jamaica (1)

• 🇰🇪 kenya (1)

• undefined (2)

• undefined (1)

• 🇵🇱 poland (1)

• 🇷🇴 romania (1)

• undefined (1)

• 🇱🇨 saint lucia (1)

• undefined (2)

• 🇪🇸 spain (1)

• 🇸🇿 swaziland (1)

• 🇺🇸 united states (2)

• undefined (1)

• undefined (1)