Born in Třebechovice pod Orebem, he competed in athletics from a young age and was the bronze medallist at the 2013 World Youth Championships in Athletics in the octathlon. He moved up to the decathlon at the 2014 World Junior Championships in Athletics, then took a gold medal in that event at the 2015 European Athletics Junior Championships. He won his first senior national title in the men's heptathlon at the 2018 Czech Indoor Championships.