 She won the 2012 Cuban National Championships with a personal best throw of 68.03 metres.Barrios finished the Olympic discus competition in 2008 in the second place, but was disqualified by the IOC on September 1, 2016 because of doping due to a sample reanalysis which resulted in a positive test for the prohibited substance Acetazolamide.Barrios sold her Olympic silver medal on auction site, eBay, for unknown reasons, and it was bought for $11,000 (£9,000).