<page_title> 2009 World Championships in Athletics </page_title> <section_title> Track </section_title> <table> <cell> 400 metres hurdles details <col_header> Event </col_header> </cell> <cell> Melaine Walker Jamaica (JAM) <col_header> Gold </col_header> </cell> <cell> 52.42 CR <col_header> Gold </col_header> </cell> </table>
In the women's 400m Hurdles, Melaine Walker of Jamaica won in 52.42sec.