<page_title> Jessica Thornton </page_title> <section_title> International competitions </section_title> <table> <cell> 2014 <col_header> Year </col_header> </cell> <cell> Youth Olympic Games <col_header> Competition </col_header> </cell> <cell> 1st <col_header> Position </col_header> </cell> <cell> 400 m <col_header> Event </col_header> </cell> <cell> 52.50 <col_header> Notes </col_header> </cell> </table>
Thornton won the 400 m in 52.50 seconds at the 2014 Youth Olympics.