A total of 102 gold medals are up for grabs at the PyeongChang Games, including 12 in cross-country skiing.
Sweden's Charlotte Kalla pulled ahead late to win gold in the women's 15km skiathlon on Saturday with a time of 40:44.9.
Kalla posted a winning time of 40 minutes 44.9 seconds in the race which is divided into equal classic technique and freestyle segments.
She moved clear of Russian Raisa Smetanina and Italian Stefania Belmonndo, who also had 10 cross country medals to their name.
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Just hours after NBC's primetime broadcast of the Opening Ceremony at the 2018 Winter Olympics in PyeongChang, South Korea, a gold medal has already been awarded.
Kalla broke free from the pack at around the 11-kilometer mark of the 15-km race, stretching her lead to approximately 10 seconds at one point, and held off a late charge by silver medalist Bjoergen and bronze victor Krista Parmakoski of Finland.
Bjørgen's 11 Olympic medals now make her the most decorated woman in the history of the Winter Olympics.
Jessie Diggins, Team USA's best hope at a medal, finished fifth. The only time an American has ever won a medal in cross country skiing was when Bill Koch took a bronze in 1976 in Austria.