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Over 40 years, we at HOPRA have been scheduling races and championships to give race fans and H.O. enthusiasts the opportunity to become more involved with scale auto racing and add to their enjoyment of racing and H.O. cars.
Established in 1969, HOPRA has been dedicated to the promotion and advancement of H.O. slot car racing. We run many state championships and larger races throughout the country. Starting in 1975 and every year since, HOPRA has held its annual National Championship event that draws the best H.O. slot racers from around the country and beyond. This page is dedicated to the history of our origination.