Career
Her brother Frank is a baseballer in the Dutch Hoofdklasse. Van Heijst played for Tex Town Tigers, Amsterdam Pirates and since 2005 for Terrasvogels. She is a shortstop, second baseman and outfielder who bats and throws right-handed.
She competes for the Dutch national team since 2004.
In 2007 she was named Most Valuable Player of the Dutch Softball Hoofdklasse. She is part of the Dutch team for the 2008 Summer Olympics in Beijing.