Anna Wierzbowska, a first time Olympian, lettered at USC from 2009-12. She helped USC's varsity eight finish third at the 2012 NCAA championships.
The Wierzbowska sisters came in third in their preliminary race and will compete in the women's pair rowing semifinals at 3:30 a.m. PT on Wednesday.
Watch Anna discuss her time at USC and her relationship with her sister:
