(USA TODAY) -- Snowmobiler Caleb Moore was declared brain dead Thursday morning, according to a press release from the Pitkin County coroner in Colorado. The cause of death is pending autopsy results.
According to the coroner's press release, "Physiological support was provided throughout the day until organ donations could be completed." He died at 9:30 a.m. mountain time.
Deputy coroner Eric Hansen ruled the death accidental.
Moore's family announced Thursday morning that the 25-year-old Krum, Texas, native had died as a result of a crash he suffered on Jan. 24 in the X Games in Aspen, Colo.
Competing in the snowmobile freestyle final that night, Moore under-rotated on a backflip on the last jump of his run. The skis of his snowmobile planted into the landing ramp, throwing him off and causing him to slide down the hill.
His 450-pound snowmobile flipped twice before the skis landed directly on him. He walked off the course, was diagnosed with a concussion and taken to a nearby hospital for further evaluation.
While there, bleeding was discovered on his heart. He was airlifted to St. Mary's Hospital in Grand Junction, where he was diagnosed with a heart contusion and had emergency surgery on Jan. 25.
On Sunday, a spokeswoman for the Moore family announced that he had suffered a "brain complication." He remained in critical condition in the intensive care unit until his death.
Moore's death is the first in an X Games competition since they started in 1997. ESPN, which owns the X Games, announced Thursday that it would conduct a full safety review and make any appropriate changes it finds as a result.
A Give Forward fund has been set up to help cover Moore's medical expenses and had raised nearly $50,000 by early Saturday morning. Australian snowmobiler Jackson Strong, who is also sponsored by Rockstar Energy Drink, is auctioning the 2012 Polaris that he competed with in the X Games in honor of Moore. That eBay auction stood at more than $10,000 on Saturday.
Rockstar and the Athlete Recovery Fund are working to cover medical and funeral costs for the Moore family. The ARF provides financial assistance to injured BMX, freestyle moto and skate athletes.
Rachel George, USA TODAY Sports