Career
She captured a gold medal in the 48-kg division at the 2004 Pan American Judo Championships in Margarita Island, Venezuela. Zambrano qualified as a 18-year-old teen for the Cuban squad in the women"s extra-lightweight class (48 kg) at the 2004 Summer Olympics in Athens, by placing first from the Pan American Judo Championships in Margarita Island, Venezuela. She lost her opening match to Algeria"s Soraya Haddad, who successfully scored an ippon, and threw her into the tatami with a kuchiki taoshi (single leg takedown) assault at one minute and fifty-four seconds.