Jiří Sýkora (born 20 January 1995 in Třebíč) is a Czech athlete competing in the combined events.[3] He represented his country at the 2016 Summer Olympics in Rio de Janeiro where he finished last after scoring no points in the pole vault and 1500 metres. In addition he won the gold medal at the 2014 World Junior Championships. He is also the former world record holder in the junior decathlon.