The GTO race will pay $6000 to win, with $4000 for second, $3500 for third, $2500 for fourth and $1800 for fifth, paying down to $200 each for 12th through 16th. The GTU race will pay $5000 to win, with $3000 for second, $2500 for third, $1500 for fourth and $1000 for fifth, paying down to $200 each for 11th through 16th. All riders competing in these races must be AMA license-holding, Expert-level riders. The entry fee will be $200 per race. Entrants can register and obtain USBA rules and regulation at SuperbikeChallenge.com. Each race will be limited to 40 entries.The GTO race is open to motorcycles of unlimited displacement and origin, with forced induction (e.g., turbo- or super-charging) allowed only for bikes under 750cc displacement. The GTU race is open to bikes that are (a) up to 430cc, two or more cylinder, two-stroke, unlimited origin; (b) up to 550cc, two or more cylinder, two-stroke, if the frame is from a motorcycle manufactured for street use in North America; (c) up to 550cc, single-cylinder, two-stroke, unlimited origin; (d) up to 675cc, three-cylinder, four-stroke, liquid-cooled; and (e) up to 640cc, four-cylinder, liquid-cooled; (f) up to 850cc, two-cylinder, four-stroke, four or more valves per cylinder, liquid-cooled; (g) up to 900cc, three or more cylinder, four-stroke, air-cooled; (h) unlimited displacement, air-cooled, two-cylinder, four-stroke, two or three valves per cylinder; or (i) unlimited displacement, single-cylinder, four-stroke, unlimited origin. Forced induction (e.g., turbo- or super-charging) is not allowed in GTU.To purchase tickets or for more information about the Lucas Oil Utah USA Round of the FIM Superbike World Championship presented by HANNspree, or to learn more about the Ultimate MotorCycling Experience at Miller click here or call (435) 277-RACE (7223).