2017 AMA National Speedway Championship
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The 2017 AMA National Speedway Championship Series was staged over four rounds, held at Ventura (June 17),[1] Santa Maria (July 29),[2] Industry (August 12)[3] and Auburn (September 16).[4] It was won by Billy Janniro, who beat Max Ruml and Broc Nicol. It was the eighth title of Janniro's career, and his fifth in-a-row.