Sep 6, 2013, 1:15 PM EDT
The Pirelli World Challenge races from Sonoma Raceway will air this Sunday, September 8, on NBCSN at 3:30 p.m. ET.
Round 13 of the GT and GTS seasons, and Rounds 11/12 of Touring Car and Touring Car B-Spec were heavily action-packed. The results from the races set up very tight championship battles heading into the final weekend of the year in Houston, from Oct. 4-6.
- Graham Rahal’s Fontana win was long overdue, and a long time coming 0
- Report: Roger Penske intends to keep his ‘four aces’ in IndyCar 0
- Mario Andretti gets Jay Leno up to speed — and then some 1
- NHRA: Antron Brown looks to make Top Fuel fireworks this weekend 1
- MAVTV 500: Despite being nerve-racking to crazy, drivers glad safety won out 2
- WATCH: IndyCar’s frantic, thrilling MAVTV 500 to re-air at midnight ET on NBCSN 6
- Nelson Piquet Jr crowned first ever FIA Formula E champion in thrilling London finale 1