Athletes are ready to start for the men's 50 km race during the 2017 Nordic Skiing World Championships in Lahti, Finland.

Italy's Elena Fanchini speeds down the course during an alpine ski, women's World Cup downhill training, in Cortina d'Ampezzo, Italy.

Austria's Marcel Hirscher competes during an alpine ski, men's World Cup slalom, in Schladming, Austria.

Two skiers make their way across a ski run on Mt. Disney at Sugar Bowl ski resort where gusts of wind-blown powder freeze in the surrounding trees in Norden, California.

Germany's Christina Geiger speeds down the slope during the second run of an alpine ski, women's World Cup slalom in Flachau, Austria.

Norway's Daniel Andre Tande loses balance during his final jump at the last stage of the four hills ski jumping tournament in Bischofshofen, Austria.

Czech Republic's Jakub Janda soars through the air during his trial jump at the third stage of the 65th four hills ski jumping tournament in Innsbruck, Austria.

Domen Prevc of Slovenia soars through the air during his trial jump at the third stage of the 65th four hills ski jumping tournament in Innsbruck, Austria.

Cross Country skiers use a thin layer of snow towards the Goms Valley, near Ulrichen, Switzerland.

A boy skis along a street near Montreal.

Switzerland's Lara Gut, center, winner of an alpine ski, women's World Cup super-G, takes a selfie with second placed Liechtenstein's Tina Weirather, left, and third placed Italy's...

Austria's Marcel Hirscher competes on his way to win an alpine ski, men's World Cup giant slalom, in Alta Badia Italy.

A skier speeds down the slope during an alpine ski, womens' World Cup downhill training in Val d'Isere, France.

Skiers dressed as Santa Claus ski en masse, at the Sunday River ski resort in Newry, Maine.

Mikaela Shiffrin of the United States competes during the first run of an alpine skiing women's World Cup slalom, in Levi, Finland.