<page_title> Katie Ledecky </page_title> <section_title> World records </section_title> <table> <cell> 800 m freestyle (3) <col_header> Event </col_header> </cell> <cell> 8:07.39 <col_header> Time </col_header> </cell> <cell> 2015 World Championships <col_header> Meet </col_header> </cell> </table>
Ledecky competed at World Championships in the 800-m freestyle with a world record time of 8:07.39.