2006 World Junior Championships in Athletics – Men's 400 metres

The men's 400 metres event at the 2006 World Junior Championships in Athletics was held in Beijing, China, at Chaoyang Sports Centre on 15, 16 and 17 August.

Final
17 August

Semifinals
16 August

Heats
15 August

Participation
According to an unofficial count, 58 athletes from 40 countries participated in the event. • 🇦🇺 australia (2)

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• 🇧🇪 belgium (2)

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• 🇨🇦 canada (2)

• 🇨🇳 china (2)

• 🇨🇾 cyprus (1)

• 🇨🇿 czech republic (2)

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• 🇫🇷 france (2)

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• 🇭🇺 hungary (1)

• 🇮🇳 india (2)

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• 🇮🇹 italy (1)

• 🇯🇲 jamaica (2)

• 🇯🇵 japan (2)

• 🇰🇪 kenya (2)

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• undefined (1)

• 🇲🇻 maldives (1)

• 🇲🇱 mali (1)

• undefined (1)

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• 🇷🇺 russia (2)

• undefined (1)

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• 🇸🇱 sierra leone (1)

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• undefined (2)

• 🇪🇸 spain (2)

• undefined (1)

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• 🇸🇿 swaziland (1)

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• 🇺🇸 united states (2)

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