 On February 18, 2010, she became the first Norwegian woman to win an Olympic gold medal in biathlon by winning the women's 15 km individual at the 2010 Winter Olympics in Vancouver.By doing this, she won Norway's 100th Olympic gold medal at the Winter Olympic Games, as well as winning the 10th Norwegian biathlon gold medal.This historic medal makes Norway the first ever nation to win 100 gold medals at the Winter Olympic Games.