Please click the Sign-up link below to sign-up for the 2013 Nitro National Pro Hillclimb in Sturgis, South Dakota. The deadline for entries will be August 4th at 11:00 PM, and there will be no late entries accepted. Please keep in mind that you must be an NAHA member to ride. To sign-up for the NAHA please see the 'NAHA' page. For any questions on how to sign-up please feel free to contact us at anytime.