In her first major international competitions, she placed seventh in the junior category at the 2011 European Race Walking Cup and sixth in the 5000 m walk at the 2011 World Youth Championships in Athletics. The following year she ranked sixth in the 10 km walk at the 2012 World Junior Championships in Athletics, where she also placed 25th overall in the 1500 metres. The 2013 European Race Walking Cup saw her take the bronze medal in the 10 km walk event. She won the 20 km walk gold medal in the 2013 European Athletics Junior Championships, while her twin sister Eliška Drahotová took the bronze. In an unusual event combination, she also entered the 3000 metres steeplechase and placed ninth.