<page_title> List of world under-20 records in athletics </page_title> <section_title> Men </section_title> <table> <cell> 48.02 <col_header> Record </col_header> </cell> <cell> Danny Harris <col_header> Athlete </col_header> </cell> <cell> 17 June 1984 <col_header> Date </col_header> </cell> <cell> 18 years, 284 days <col_header> Age </col_header> </cell> </table>
Danny Harris's time of 48.02 in 1984 at age 18 is world junior record.