 She won the gold medal at the 2010 European Athletics Championships then went on to take the silver medal at the 2011 World Championships in Athletics.In May 2011, in Halle, she achieved a new world record in hammer throw, with a result of 79.42 m. She began the 2012 season with a series of wins, performing at the Colorful Daegu Meeting, Golden Spike Ostrava, and Prefontaine Classic.Heidler won a medal at the 2012 London Olympics.