<page_title> Katerina Stefanidi </page_title> <section_title> Record progression </section_title> <table> <cell> 4.51 m, NU23R <col_header> Performance </col_header> </cell> <cell> Livermore (CA), USA <col_header> Venue </col_header> </cell> <cell> 2012, June 16 <col_header> Date </col_header> </cell> </table>
Katerina Stefanidi's 4.51 m, achieved in 2012 at Livermore, California, is the under-23 record.