2017 USAC National Midget Series  The 2017 USAC National Midget Series is the 62nd season of the USAC National Midget Series. The series began with the Shamrock Classic at Southern Illinois Center on March 18, and will end with the Turkey Night Grand Prix at Ventura Raceway on November 23. Tanner Thorson came into the season as the defending champion. Spencer Bayston won the series championship driving for Keith Kunz/Curb-Agajanian Motorsports in the #97 Bullet by Spike Chassis / Speedway Toyota. The entire season will be broadcast on-demand by Loudpedal.TV. Select races were broadcast live by Speed Shift TV.