Competitor Sign-Up online is open for the Rockwell Pro Hill Climb Series (includes Big Sky Challenge and the 100th Great American Pro Hill Climbs.
If you wish to retain your 2017 number you will need to signup prior to April 1st. You will be able to sign up after that date on the event sign up page, however you may not be able to run your last year’s number if it has been taken. Like 2017, in 2018 there will be no duplicate numbers, X’s or any other symbol, unique numbers only. Online signup page: