She play with the Segeltorps IF in the Riksserien (Sweden league elite). She has represented Sweden in nine Women's World Ice Hockey Championships. In ice hockey at the 2002 Winter Olympics, Holst led the Swedish team with five points in five games. This marked the second Olympics in which she was the team leader in scoring. Four years later, in the win over the United States in the semifinal game in Turin, Holst had one assist.