"Steven was evaluated Tuesday at the Steadman Clinic in Vail and diagnosed with a torn left achilles," said U.S. Ski and Snowboard Association Medical Director Kyle Wilkens. "He will miss the remainder of the 2011-12 World Cup season."
The two-time Olympian won the 2007 Saslong Classic World Cup downhill in Val Gardena, Italy, and owns two podium finishes at the legendary Audi Birds of Prey downhill in Beaver Creek.
"Blown Achilles tendon = no ski season for me this year," Tweeted Nyman. "Time to mend, I will be back."
The men's World Cup speed season opens Thanksgiving weekend in Lake Louise, Alberta and is followed immediately by the Audi Birds of Prey races Dec. 2-4 in Beaver Creek, CO.