You can obtain a hillclimb schedule from most of the dealers. You can also go to RMSHA.com
They have one in croydon, utah. "Widowmaker"
They also have a late spring one at Beaver Mountain in Logan Canyon.
They also have one in Georgetown Idaho right outside of Montpelier that is not too far.
Snocross comes to Rio Tinto again for this year and next in Jan. or Feb. Not exactly sure on dates.