Drivers, Crew, and spectators are required to purchase a WKA wrist band (driver's included in registration fee).  Additional wrist bands can be purchased during driver registration.  Drivers under 18, but over 5' tall are eligible, but will need to complete a minor waiver, and their parent or guardian will need to complete a parental consent form.  Drivers will also need an SA2010 or newer helmet, or be prepared to rent one ($10).  M, L, XL, and XXL helmets are available.  Long pants and good walking shoes required (no flip flops or sandals).