[2] In 2009 she won a gold medal at the Pan American Bowling Confederation Championships in San Juan, Puerto Rico.

She also won the bronze medal at the masters event of the World Games in 2013 in Colombia.

In the 2013 combined WTBA World Championships in Henderson, Nevada, Karen teamed up with her sister Alicia Marcano.

She accumulated five medals in the Bolivarian Games, in total Karen has 11 individual titles on the continent.

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