Canadian Freestyle Skier Sarah Burke Dead at 29 Sarah Burke was an X Games star with a grass-roots mentality - a daredevil superpipe skier who understood the risks inherent to her sport and the debt she owed to it. The pioneering freestyler, who helped get superpipe accepted into the Olympics, died Thursday, nine days after crashing at a training run in Park City, Utah. Burke, who lived near Whistler in British Columbia, was 29. Tests revealed she sustained "irreversible damage to her brain due to lack of oxygen and blood after cardiac arrest," according to a statement released by Burke's publicist, Nicole Wool, on behalf of the family. A four-time Winter X Games champion, Burke crashed on the same halfpipe where snowboarder Kevin Pearce sustained a traumatic brain injury during a training accident on Dec. 31, 2009. Wool said Burke's organs and tissues were donated, as she had wanted. "The family expresses their heartfelt gratitude for the international outpouring of support they have received from all the people Sarah touched," the statement said. A four-time Winter X Games champion, Burke will be remembered as much for the hardware she collected as the legacy she left for women in superpipe skiing, a sister sport to the more popular snowboarding brand that has turned Shaun White, Hannah Teter and others into stars. Joe Scarnici/Getty Images Aware of the big role the Olympics played in pushing the Whites of the world from the fringes into the mainstream, Burke lobbied to add superpipe skiing to the Winter Games program, noting that no new infrastructure would be needed. Her arguments won over Olympic officials and the discipline will debut at the Sochi Games in 2014. Burke likely would have been a favorite for the gold medal at her sport's Olympic debut. "Sarah, in many ways, defines the sport," Peter Judge, the CEO of Canada's freestyle team, said before her death. She's been involved since the very, very early days as one of the first people to bring skis into the pipe. She's also been very dedicated in trying to define her sport but not define herself by winning. For her, it's been about making herself the best she can be rather than comparing herself to other people. She was, Judge said, as committed to the grass roots of the sport - giving clinics to youngsters and working with up-and-coming competitors - as performing at the top levels. "She was a great, positive person for the whole team, the whole sport," said David Mirota, the Canadian team's high performance director. She enlightens the room, and she's great. Burke's death is also sure to re-ignite the debate over safety on the halfpipe. Pearce's injury - he has since recovered and is back to riding on snow - was a jarring reminder of the dangers posed to these athletes who often market themselves as devil-may-care thrillseekers but know they make their living in a far more serious, and dangerous, profession. The sport's leaders defend the record, saying mandatory helmets and air bags used on the sides of pipes during practice and better pipe-building technology has made this a safer sport, even though the walls of the pipes have risen significantly over the past decade. They now stand at 22 feet high. Some of the movement to the halfpipe decades ago came because racing down the mountain, the way they do in snowboardcross and skicross, was considered even more dangerous - the conditions more unpredictable and the athletes less concerned with each other's safety.