Rubuta ci gaba don wannan sakin layi - A safiyar rana ta bakwai, Shields ya yi iyo a wasan kusa da na karshe na mita 100 na malam buɗe ido kuma bai ci gaba zuwa wasan karshe ba. Da yamma, Shields ya taimaka wajen ci gaba da tseren mita 4x100
zuwa wasan karshe tare da Hunter Armstrong, Andrew Wilson, da kuma Blake Pieroni.