Indianapolis Motor Speedway was the backdrop for this year’s SCCA® National Championship Runoffs®, an annual event that remains the pinnacle of amateur racing in the USA. 2017 saw the largest field in the event’s history with nearly 1,000 drivers competing for national championship titles across 28 different categories, as the prospect of a run at the legendary track presented the opportunity of a lifetime for many Sports Car Club of America® members.  Check out the Mobil 1 The Grid video recap: