Rubuta ci gaba don wannan sakin layi - Marshall ya wakilci Amurka a gasar Olympics ta 2008 a Beijing, China. Ta sami lambar tagulla ta hanyar yin iyo don ƙungiyar Amurka ta uku a cikin zafin jiki na farko na mata 4 × 200 mita relay
Ka yi haƙuri. Ita da 'yan wasanta na farko sun kafa sabon tarihin Amurka a cikin taron.