<page_title> List of junior world records in swimming </page_title> <section_title> Girls </section_title> <table> <cell> 100m butterfly <col_header> Event </col_header> </cell> <cell> Penny Oleksiak <col_header> Name </col_header> </cell> </table>
Penny Oleksiak participated in the 100 m butterfly, gaining a world junior record.