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The H.O. Professional Racing Association (HOPRA) provides the leadership for organizing H.O. scale racing in the best possible way. For over 40+ years, we 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 H.O. slot cars. 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 world. Our National Championships are held across the country in different locations each year. Thousands in cash awards, race prizes, and raffle giveaways are given out at the event! Racers from all over the US and other Countries attend our National event. This is a great place to meet fellow racers, conversate, learn, and have a great time! Membership is required to race at the Nationals however it is not required to just attend the event. Navigate to the Membership, Rulebook, and Partners pages for more information about member benefits. We look forward to racing with you and good luck!

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