Sarah Burke Dies -- X Games Champ Dead After Skiing Accident

Freestyle skiing legend Sarah Burke -- a 4-time X Games gold medal winner -- died today from injuries sustained during a recent skiing accident.

The 29-year-old Canadian crashed hard during a training session at the Park City Mountain Resort superpipe in Utah on January 10.

According to reports, Burke went into cardiac arrest shortly after the accident -- but was resuscitated and airlifted to a nearby hospital ... where she underwent major surgery to repair a tear in a major artery.

But Sarah's injuries proved to be too severe and she was placed on life support. Sarah's publicist confirms she died today, surrounded by her family and loved ones.