Make sure you can fly also.... When I got my concussion here in CO and still lived in KS, they almost didn't release me to fly home
But as the others have said, go to your check up, and maybe you can still ride in Utah.
Maybe you could get some sort of dr's note and get some sort of credit for your flight and cancel your part of the hotel etc if you aren't cleared.
I was stupid for several weeks after my incident, you most likely won't want to ride that way anyways if your head is acting like mine was.
It's not an all bad thing, this season is a loss. We all want powder, yada yada, but man, don't crush your head for permanent
Sorry you got banged up, I feel for ya
"When I do good, I feel good; when I do bad, I feel bad. Thatís my religion." - Abraham Lincoln
Moral of the story: If your going to rob people, wear a diaper.