 At the 2011 Central American and Caribbean Championships in Athletics, she won the second regional title of her career, this time taking the 5000 m gold medal.Romero was chosen to represent Mexico in both long-distance track events at the 2011 Pan American Games in Guadalajara.She completed a distance-double for the host nation, becoming the second woman to ever achieve the feat at the tournament after her fellow Mexican Adriana Fernández.