Please click the Sign-up link below to register for the 2013 Nitro National Pro Hillclimb in Columbus, Montana.  The deadline for entries will be May, 27th 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 about registration please feel free to contact us at anytime.