OBERSTDORF, Germany -- Marit Bjoergen led a Norwegian sweep of the podium to win the first stage of the women's cross-country Tour de Ski while Dario Cologna won the men's race on Saturday.
Bjoergen, the six-time Olympic champion, completed the 3-kilometer freestyle opening prologue in 7 minutes, 53 seconds, 10.7 seconds ahead of Heidi Weng and 12.2 ahead of Ragnhild Haga. It was Bjoergen's 85th World Cup win.
There were five Norwegian women in the top six, with Germany's Nicole Fessel in fifth.
Sadie Bjornsen of the United States equaled her career best by finishing seventh.
Cologna, the three-time Olympic champion from Switzerland, won the men's 4K freestyle race, finishing in 9:54.2 to beat Sweden's Calle Halfvarsson by 5 seconds and Norway's Petter Northug by 5.5.