Lawn mower racing traces its roots to July 4, 1963, when residents of Twelve Mile, Indiana organized what is widely considered the first lawn mower race. In 1973, the British Lawn Mower Racing Association was founded in the United Kingdom. (Photo courtesy of David Calvert)Unlike many forms of motorsport, lawn mower racing didn’t require deep pockets. “Toward the end, it became more of a lawn mower race with a demolition derby tacked on because it became so popular.” Today, lawn mower racing in Arizona exists only in small pockets, with racers such as Dale Letcher continuing the tradition in Show Low.