<page_title> Jim Ryun </page_title> <section_title> World records </section_title> <table> <cell> 880 yards <col_header> Distance </col_header> </cell> <cell> 1:44.9 <col_header> Time </col_header> </cell> <cell> June 10, 1966 <col_header> Date </col_header> </cell> <cell> One Mile <col_header> Distance </col_header> </cell> <cell> 3:51.3 <col_header> Time </col_header> </cell> <cell> July 17, 1966 <col_header> Date </col_header> </cell> </table>
In 1966, Ryun set world records in the mile (3:51.3) and the half-mile (1:44.9).