The U.S.T.A. - United States Trampoline & Tumbling Association is over 30 years old. It was founded in 1971 by Larry Griswold and George Nissen (the founder of the trampoline). The U.S.T.A. started out with only about 200 members that competed in tumbling, trampoline, and double-mini trampoline and offered only one division of competition, not like it is now, we are divided into nine divisions for tumbling and six division for the double-mini and the trampoline. The first Nationals had approximately 250 athletes and now the largest Nationals had almost 2200 athletes in 5000 events. 

United States Trampoline & Tumbling Association

Multi Sport Event Organization

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