Thompson Speedway hosts CART's ninth and final autocross of the season—this is the championship runoff, so expect tight competition and drivers pushing hard for final standings. If you've been running the CART series or want to see fast autocrossers in their element, this is the one that matters. Full details & registration: https://www.motorsportreg.com/events/cart-autox-9-championship-runoff-thompson-speedway-connecticut-autocross-632915