The 31-year-old Yamanka started his bobsled career in 2012. The athlete started participating in the World Cup in the 2015/2016 season.
In the 2016/2017 season, she won her first medal in her career, finishing second in the World Cup in Winterberg and winning the European Championships. At the 2017 World Championships in Königsee, the German national team won the first and only title of world champion in the mixed team competition.
The 2018 Olympic Games in Pyongyang brought Yamanka and her co-driver Lisa Bukwitz an Olympic gold medal. The medals were won by the Germans after four races, where the Americans Elena Majers and Loren Gibs were 0.07 seconds ahead of them. At the 2022 Olympics in Beijing, Yamanka won a silver medal.
In the World Cup stages, Jamanka won six gold, ten silver and six bronze medals. In the 2018/2019 season, Jamanka won the World Cup trophy, the next season she won the second place, while in the 2017/2018 season. and 2020/2021 In the seasons of the year, the German athlete reached the third place in the World Cup.
In the last season of his career, Jamanka was sixth without winning any races.
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