2000 World Junior Championships in Athletics – Women's 400 metres hurdles

The women's 400 metres hurdles event at the 2000 World Junior Championships in Athletics was held in Santiago, Chile, at Estadio Nacional Julio Martínez Prádanos on 19 and 21 October.

Final
21 October

Heats
19 October

Participation
According to an unofficial count, 23 athletes from 20 countries participated in the event. • 🇦🇺 australia (2)

• 🇦🇹 austria (1)

• 🇧🇷 brazil (1)

• 🇨🇴 colombia (1)

• 🇨🇿 czech republic (1)

• 🇫🇷 france (1)

• 🇩🇪 germany (2)

• 🇮🇳 india (1)

• 🇮🇹 italy (1)

• 🇯🇲 jamaica (1)

• undefined (1)

• undefined (1)

• undefined (1)

• 🇵🇱 poland (2)

• undefined (1)

• 🇷🇴 romania (1)

• undefined (1)

• undefined (1)

• 🇺🇸 united states (1)

• 🇻🇪 venezuela (1)