Jakov Fak is a Croatia-born Slovenian biathlete competing for Slovenia since 2010. As a member of the Croatian biathlon team, Fak won bronze medals at the 2009 World Championships and at the 2010 Winter Olympics, where he was also the Croatian flag bearer at the opening ceremony. In 2010, Fak switched his citizenship and started competing for Slovenia. Fak won four medals at the World Championships with the Slovenian team, including two gold and a silver medal at the 2018 Winter Olympics. In addition, Fak has eight victories in the World Cup.

The Biathlon World Cup is a top-level biathlon season-long competition series. It has been held since the winter seasons of 1977–78 for men and 1982–83 for women. The women's seasons until 1986–87 season were called the European Cup, although participation was not restricted to Europeans.