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|Competitor for Mexico|
|Gold||2008 Beijing||+67 kg|
|Bronze||2012 London||+67 kg|
|Pan American Games|
|Gold||2007 Rio de Janeiro||+67 kg|
She won the 2007 World Taekwondo Championships in Middleweight (–72 kg) category defeating Lee In-Jong and also won the gold medal at the 2007 Pan American Games in Heavyweight (+67 kg) winning over Brazilian Natália Falavigna.
She participated in +67 kg weight class in the 2008 Beijing starting with a victory over Tunisian Khaoula Ben Hamza by a score of 4-0, later she beat Swedish Karolina Kedzierska 4-2. In semifinals she qualified to the final defeating British former world champion and eventual Bronze medal winner Sarah Stevenson by 4-1 and culminate winning the gold medal passing over Nina Solheim, earning the second gold for Mexico in the Olympics
In 2012, María returned to the Olympics in London. She carried the flag for Mexico during the Parade of Nations.
|Flagbearer for Mexico