Oprea was born in Piteşti. He took his first major medal at the 2000 World Junior Championships in Athletics, winning the gold with a jump of 16.41 m. Oprea won the bronze medal in the triple jump at the 2005 World Athletics Championships in Helsinki and also at the 2006 European Athletics Championships in Gothenburg.
He suffered a serious knee injury (tendonitis) and missed the 2009 World Championships in Athletics as a result. He opted to undergo major surgery and brought an end to a two-year-long injury hiatus with a jump of 16.88 m in May 2010. He proved himself to return to peak fitness with a silver medal performance at the 2010 European Athletics Championships (jumping 17.51 m) and then taking the gold medal at the 2010 IAAF Continental Cup later that season.
2005 world championship men s triple jump 3rd marian oprea