On April 29, 2009, Perišić was among the Olympic non-medal winners, who tested positive for Cera, an advanced version of endurance-enhancing hormone EPO.
•
She ran in the third heat of the event, against six other athletes, including Kenya's Pamela Jelimo, who eventually won the gold medal in the final.
•
She finished the race in sixth place by seventy-one hundredths of a second (0.71) behind Mauritius' Annabelle Lascar, with a time of 2:06.82.