Korobka ranked 7th in the women's over 75 kg category at the 2004 Summer Olympics.

At a height of 1.81m (5' 11") and a weight of 167 kg (368 lbs), she was the heaviest female competitor at the Games.

[2] Korobka won silver medal as superweight in the 2010 European Championship, at a bodyweight of 170 kg.

[3] She had failed a drugs test after the 2011 World Weightlifting Championships, where she won three bronze medals.

[3] In 2016, she was stripped of her 2008 Olympic medal after a retest of her doping sample tested positive for steroids.