Born in the Netherlands to Dutch parents, she has dual citizenship. Her family moved to Switzerland when she was four. Van der Graaff competed at the
2014 Winter Olympics for Switzerland. She placed 20th in the qualifying round in the
sprint, advancing to the quarterfinals. She then finished 5th in that quarterfinal, failing to advance. As of April 2014, her best showing at the
World Championships is 11th, in the freestyle team sprint in
2013. Her best individual finish is 30th, in the 2013 classical sprint. ==Cross-country skiing results==