2012 IAAF World Indoor Championships – Women's 400 metres

The women's 400 metres at the 2012 IAAF World Indoor Championships will be held at the Ataköy Athletics Arena on 9 and 10 March.

Qualification: First 2 in each heat (Q) and the next 6 fastest (q) advance to the semifinals.

Qualification: First 2 of each heat qualified (Q).

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