 Complete the following phrase:  As a junior Bruintjes competed at the 2007 World Junior Speed Skating Championships where she became junior world champion in the team pursuit event. Bruintjes represented her nation twice at the World Single Distance Speed Skating Championships and once at the World Sprint Speed Skating Championships for Women. At the 2008 World Single Distance Speed Skating Championships she competed in the 500 metres event 20th and at the 2009 World Single Distance Speed Skating Championships she competed in the 1000 metres event where she finished 4th. She participated at the 