 Complete the following phrase:  Hussong improved her personal best to 59.74 m at the 2011 World Youth Championships, winning gold by more than five metres and setting a new championship record; the International Association of Athletics Federations named her Rising Star of the Year in womens athletics. 59.74 m remained Hussongs personal best until 2014; at the 2012 World Junior Championships she threw 53.20 m in her best effort and placed seventh, while at the 