The TA/XGT/SGT/GT classes kick off the fall stretch with their final four races in the run to the championship. Returning to Watkins Glen International, championship leader Chris Dyson takes on last year's WGI winner Justin Marks and the rest of the field on the iconic 3.45-mile road course, while racing legend Boris Said makes his 100th career start in the Trans Am Series Presented by Pirelli.

Who do you think will win? You'll have to watch to find out!