Round # 2 of the Rockwell Pro Hillclimb series, the Big Sky Challenge takes, place in Billings MT  on June 6th  and 7th. Again, for this year Rockwell, Mini semi Pro and Womens  Pro will take place on Saturday June 7th, the new 91-125cc should be exciting new class. The exciting Pro action starts Saturday June 6th starting at 8:00AM, action begins with the 300-450 Stock class, followed by the iconic 490-600 class, Women’s Pro and semi pro mini, finishing with 40+. Sunday kicks off with the ever exciting 700, 701,  championship runoff. Register Now     SPECIAL ROOM RATES AT BILLINGS HOTEL We are excited to partner with the Billings Hotel and Convention Center as our official host hotel! After a day out on the dirt, you can relax and swap stories at the on-site restaurant and bar, or hit their two water slides and hot tub! We’ve secured an exclusive room block with special rates just for our group. Book your room early by calling and using Discount Code: Big Sky Challenge Hillclimb to guarantee your spot! Book Your Room