<page_title> Puerto Rico at the 2008 Summer Olympics </page_title> <section_title> Summary </section_title> <table> <cell> Kristina Lennox-Silva <col_header> Athlete </col_header> <col_header> Time </col_header> </cell> <cell> 400 m freestyle <col_header> Event </col_header> <col_header> Rank </col_header> </cell> <cell> 4:20.17 <col_header> Heat </col_header> <col_header> Time </col_header> </cell> </table>
In the heat of 2008 Summer Olympics, Kristina Lennox-Silva finished the 400 m freestyle event in 4:20.17.