After the 2008 Summer Olympics in Beijing, she wanted to retire, but decided against it. She said in an interview that she would like to compete at 2012 Olympic Games in London, but that "it won't be possible without a good trainer."[3]
At the 2008 Summer Olympics in Beijing in first match, she stood against Senegalese Cécile Hane and won. Her second match was against the Japanese Olympic Champion from Athens, Ayumi Tanimoto. She had tried various techniques, but the skilled Japanese judoka always countered it. Ayumi waited for her moment, which came after two minutes into the match. She took Barreto and held her for 25 seconds. Barreto lost by ippon (Yoko-shiho-gatame). She won her third match.[citation needed]