<page_title> Jamaica at the 2008 Summer Olympics </page_title> <section_title> Summary </section_title> <table> <cell> Melaine Walker <col_header> Athlete </col_header> <col_header> Result </col_header> </cell> <cell> 52.64 OR <col_header> Semifinal </col_header> <col_header> Rank </col_header> </cell> </table>
At the 2008 Summer Olympics, Walker from Jamaica finished with a time of 52.64 seconds.