2004 World Junior Championships in Athletics – Women's 400 metres hurdles

The women's 400 metres hurdles event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 14 and 15 July.

Final
15 July

Heats
14 July

Participation
According to an unofficial count, 22 athletes from 18 countries participated in the event. • 🇨🇳 china (1)

• undefined (1)

• 🇨🇿 czech republic (1)

• undefined (1)

• 🇫🇷 france (1)

• 🇩🇪 germany (2)

• 🇮🇹 italy (1)

• 🇯🇲 jamaica (2)

• 🇯🇵 japan (1)

• 🇰🇿 kazakhstan (1)

• 🇷🇴 romania (1)

• 🇷🇺 russia (2)

• 🇪🇸 spain (1)

• undefined (1)

• undefined (1)

• 🇺🇸 united states (2)

• undefined (1)

• 🇺🇿 uzbekistan (1)