Switzerland's Dario Cologna celebrates winning the men's cross-country 30k skiathlon at the 2014 Winter Olympics, Sunday, Feb. 9, 2014, in Krasnaya Polyana, Russia. (AP Photo/Gregorio Borgia)
Switzerland's Dario Cologna crosses the finish line to win the men's cross-country 30k skiathlon at the 2014 Winter Olympics, Sunday, Feb. 9, 2014, in Krasnaya Polyana, Russia. (AP Photo/Gregorio Borgia)