Then she moved up a distance to run 400 metres. She also placed eighth in the 2007 World Championships in Athletics and represented Mexico at the 2008 Summer Olympics. In 2010, she switched to the 400 metres hurdles event.
In her first competitive race, she set a Mexican record of 56.10 seconds (previous record was 5778 by Mayra González).
Her personal best time for the 200 metres is 23.18 seconds, achieved in May 2007 in Puebla. She went on to become the hurdles champion at the 2010 Ibero-American Championships in Athletics. During the 2010 Central American and Caribbean Games where she won the silver in the 400 meters hurdles and bronze in the 4 x 400 meters relay, she tested positive for a banned substance, methylhexanamine, and was consequently suspended for six months from 3 August 2010 to 4 February 2011.
She was member of the silver medal-winning Mexican 4×400 relay team at the 2007 Pan American Games.
