<page_title> 2009 World Championships in Athletics – Women's 400 metres </page_title> <section_title> Heats </section_title> <table> <cell> 1 <col_header> Rank </col_header> </cell> <cell> Amantle Montsho <col_header> Name </col_header> </cell> <cell> 50.65 <col_header> Time </col_header> </cell> </table>
Amantle Montsho had the fastest time with 50.65 seconds.