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NBC - American snowboarder Arielle Gold was unable to compete in the women's halfpipe qualifier on Wednesday after suffering an injury just before the start of her heat. She dislocated her shoulder in a practice crash, according to her brother and fellow Olympian, Taylor Gold.

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A U.S. Snowboarding official also confirmed that Arielle has a shoulder injury.

Arielle, 17, was considered a serious medal contender for Sochi.

A breakout performer last year, Arielle took the scene by storm when she won a bronze medal at the 2013 Winter X Games and took first place at the 2013 FIS World Championships in halfpipe. She continued her strong run this year in the U.S. selection events, with a season-best finish of second place at the U.S. Grand Prix stop at Copper Mountain. Along with Kelly Clark and Kaitlyn Farrington, Arielle was one of three riders to automatically qualify for a spot on the U.S. Olympic team. (2006 gold medalist Hannah Teter would later join the team as a coach's pick.)

It hasn't been the best of weekends for the Gold family. In Tuesday's men's halfpipe event, Taylor made the semifinal but couldn't land his run and missed out on qualifying for the final.

Still, Taylor is proud of all he's accomplished up to this point and says this is "just the beginning." Indeed, both siblings have accomplished a lot already this year and should be threats to return to the Olympic Games again in four years.

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