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.
Contents
Heats
Qualification: First 2 in each heat (Q) and the next 6 fastest (q) advance to the semifinals.
Semifinals
Qualification: First 2 of each heat qualified (Q).
References
2012 IAAF World Indoor Championships – Women's 400 metres Wikipedia(Text) CC BY-SA