At the Junior World Championships 2005 in Zermatt, Switzerland she won silver. In the World Cup she was ranked fifth.
She was the youngest competitor in the Parallel Giant Slalom competition at the 2006 Winter Olympics in Turin, Italy. Despite a fall during the quarter finals, she caught up with her competitor and proceeded to the semi-finals and final round, winning silver.
Kober tells in an interview after the half final of the Snowboard Competition at 2010 Winter Olympics that she is pregnant: "It is true that I am sitting out this season aside from this one race, because I will become a Mom."