Martelli Brothers Announce New Triple Crown Series King of the Hammers, Mint 400 and the California 300 to make up a new points Championship San Diego, CA December 19th 2022 – The Mint 400 and The California 300 owners Matt and Josh Martelli announced today that they have structured a brand new, three-race, championship points series dubbed the “Unlimited Off-Road Racing Triple Crown Championship”.
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