Mikec represented Serbia at the 2008 Summer Olympics in Beijing, People's Republic of China. He earned his qualification by finishing 6th at the 2007 World Cup #1 Rifle, Pistol in Fort Benning, United States of America. In Beijing, Mikec reached the final in 50 metre pistol and finished 7th. In 10 metre air pistol he missed the final by a one-point margin and finished 13th.