Canada's Tyler Mosher has announced his retirement from competitive sport after achieving his goal of getting snowboarding on the programme for the Paralympics at Scohi 2014.
The 42-year-old revealed on Facebook that he had quit.
"My goal was to help promote snowboarding for people living with a disability and ideally to get the sport into the Paralympic Games and I was successful in achieving that goal," said Mosher.
Mosher hopes to continue to be an ambassador for snowboarding and to promote active living for people with disabilities in Canada.
Mosher, who suffered a spinal cord injury while snowboarding in 2000, returned to the sport and cross-country skiing after his accident and.
In 2008 he won the first adaptive snowboard World Cup before claiming the World Championships the following year.
Mosher competed in cross-country skiing at Vancouver 2010 while he continued his campaign to try to get snowboarding on the programme for Sochi 2014, which he eventually succeeded in doing.
Although Mosher did not win a medal there, as he had hoped, he leaves the sport happy.
"I met my process goals, which I was very happy about, but I'm not happy with the outcome on the day of the races," he said.
"But that's just the way it is."
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October 2011: Mosher prepared for uphill task to get Para-snowboarding in the Games