BIRMINGHAM, Alabama (April 21, 2023) – TPC Racing brings an early-season championship lead and an expanded lineup of four USAC Porsche Sprint Challenge North America by Yokohama entries to Rounds Three and Four of the series next weekend at Barber Motorsports Park, April 28 – 30. David Williams pulled off a flag-to-flag Sprint Challenge 992Continue reading “TPC Racing Expands to Four-Car Porsche Sprint Challenge North America Entry at Barber Motorsports Park; Porsche Junior Driver Chloe Chambers Set for TPC Racing and Porsche Sprint Challenge Debut”