Zemanová competed at the 2014 Winter Olympics for the Czech Republic. She placed 20th in the seeding run for the ski cross event. In the first round, she finished third in her heat and did not advance.[3][4]
Zemanová made her Freestyle World Cup debut in December 2013. As of September 2015, she has one World Cup podium finish, a silver at Åre during the 2014–15 season. Her best overall finish in the Freestyle World Cup for ski cross is 11th place, achieved in the 2014–15.[1]
Zemanová made her Alpine World Cup debut in December 2010. As of September 2015, she has yet to finish an Alpine World Cup race.[2]