<page_title> 2013 World Championships in Athletics – Men's 400 metres </page_title> <section_title> Final </section_title> <table> <cell> LaShawn Merritt <col_header> Name </col_header> </cell> <cell> 43.74 <col_header> Time </col_header> </cell> <cell> PB, WL <col_header> Notes </col_header> </cell> </table>
Merritt won the 2013 World Championships in Athletics – Men's 400 metres with personal best 43.74.