<page_title> 2011 World Championships in Athletics – Women's 400 metres </page_title> <section_title> Records </section_title> <table> <cell> Anastasia Kapachinskaya (RUS) </cell> <cell> 49.35 </cell> <cell> Cheboksary, Russia </cell> </table>
Russian champion Anastasiya Kapachinskaya, had run a 49.35 sec.