The Sports Car Club of America (SCCA) is a non-profit American automobile club and sanctioning body supporting road racing, rallying, and autocross in the United States. Formed in 1944, it runs many programs for both amateur and professional racers.
The Trans-Am Series presented by Pirelli is a sports car racing series held in North America. Founded in 1966, it is sanctioned by the Sports Car Club of America (SCCA). Primarily based in the United States, the series competes on a variety of track types including road courses and street circuits. Trans-Am is split into the TA and TA2 classes for silhouette racing cars, while its production classes are the GT, SGT, and XGT.
The International Motor Sports Association (IMSA) is a North American sports car racing sanctioning body based in Daytona Beach, Florida under the jurisdiction of the ACCUS arm of the FIA. It was started by John Bishop, a former executive director of SCCA, and his wife Peggy in 1969 with help from Bill France Sr. of NASCAR. Beginning in 2014, IMSA is the sanctioning body of the WeatherTech SportsCar Championship, the premier series resulting from the merger of Grand-Am Road Racing and the American Le Mans Series. IMSA is owned by NASCAR, as a division of the company.
The GT World Challenge America is a North American auto racing series launched in 1990 by the Sports Car Club of America. It has been managed by the Stephane Ratel Organisation since 2018, and has been sanctioned by the United States Auto Club since 2017.
The 2010 SCCA Pro Racing World Challenge was the 21st season of the SCCA Pro Racing World Challenge. It was the first season since 1998 without the sponsorship of television channel Speed.
Peter "P.D." Cunningham is an American race car driver and owner of RealTime R&L, Inc., based in Saukville, Wisconsin and currently competing in the Pirelli World Challenge GT Championship. His name and his team, RealTime Racing, have become synonymous with the Honda and Acura brands. Through 2013, he has claimed 91 professional race wins across 12 different North American road racing series and holds numerous World Challenge records.
The 2011 Pirelli World Challenge season was the 22nd season of the Sports Car Club of America's World Challenge series. It was the first season under the Pirelli sponsorship. Championships were awarded in three classes: GT, GTS, and Touring. The season began at St. Petersburg, Florida, on March 26 ended after 12 rounds at Road Atlanta on September 30. All rounds were covered on television by Versus.
Ryan A. Eversley is an American professional auto racing driver. Since 2015, Eversley has been a Honda factory driver who primarily races in sports car racing championships such as the Michelin Pilot Challenge and Pirelli World Challenge. He won the 2018 PWC TCR championship.
RealTime Racing is an American professional motorsports team founded in 1987 by Peter Cunningham and headquartered in Saukville, just north of Milwaukee, Wisconsin. On gravel roads, frozen lakes, permanent road courses, or temporary street circuits, RealTime drivers have piloted Acura and Honda production-based automobiles to 18 professional titles in a variety of motorsports series.
SCCA Pro Racing is the pro racing division of the Sports Car Club of America. SCCA Pro Racing was formed in 1963, the company is a fully owned subsidiary of SCCA.
The 2013 Pirelli World Challenge season was the 24th season of the Sports Car Club of America's World Challenge Series.
The 2014 Pirelli World Challenge season was the 25th season of the Pirelli World Challenge championship. It marked the debut of a new "Touring Car A-Spec" class. A new "GT A-Spec" class also made its debut. These new classes featured amateur drivers. The series also held a round at Brainerd International Raceway for the first time in its history, with a touring car doubleheader held in support of a Trans Am Series event; also making its series debut was Barber Motorsports Park. The GT groups competed in sixteen fifty-minute sprints on nine circuits. The touring cars competed in fourteen sprints on seven road courses. The first race for GT cars at St. Petersburg was canceled due to heavy rain, so a make-up race was added for the series finale at Miller Motorsports Park. The second race for touring cars at Barber was also canceled due to rain, so a make-up race was added to the schedule at Mosport.
The 2015 Pirelli World Challenge season was the 26th running of the Sports Car Club of America's World Challenge series. It introduced a new all-Porsche "GT Cup" race group. Johnny O'Connell was the defending champion in the highest class, the GT class.
Lawson L. Aschenbach is an American professional racing driver. He is a four-time Pirelli World Challenge champion, and most recently, the 2014 Pirelli World Challenge GTS Champion. He is the 2006 SPEED World Challenge Rookie of the Year and became the first person to win the SPEED GT Championship in his rookie season. He is also the champion of the 2010 Grand-Am Continental Tire Sports Car Challenge ST Championship and 2014 Lamborghini Super Trofeo ProAM World Champion. Aschenbach first raced professionally in 2005. He currently races for Stevenson Motorsports in the IMSA Continental Tire Sports Car Challenge.
The 2016 Pirelli World Challenge was the 27th running of the Sports Car Club of America's World Challenge series. Johnny O'Connell was the defending champion in the highest class, the GT class.
The 2017 Pirelli World Challenge was the 28th running of the Pirelli World Challenge. Álvaro Parente was the defending champion in the highest class, the GT class. It was the first season sanctioned by the United States Auto Club, after being under Sports Car Club of America sanctioning for the previous 27 seasons.
Jason Wolfe is an American racing driver. Wolfe previously competed in single seater series such as the USF2000 championship. Currently, Wolfe competes in the German-based ADAC TCR Germany Touring Car Championship.
Michael Cooper is an American-born race car driver who currently competes in the Pirelli World Challenge. He resides in Huntington, New York, and also has a business management degree from at NYIT, and a nutrition degree from Long Island University.
Brian Henderson is an American professional stock car racing driver. He has driven in the NASCAR Xfinity Series, NASCAR K&N Pro Series East, National Auto Sport Association, Sports Car Club of America and Pirelli World Challenge.
Mason Filippi is an American auto racing driver who competes in the TCR class of the Michelin Pilot Challenge for Bryan Herta Autosport. He previously raced for Bryan Herta Autosport, finishing the Michelin Pilot Challenge in second place in 2019 and third in 2020. Filippi also piloted touring cars in the TC America Series and the Pirelli World Challenge from 2017 to 2019, finishing in the top five of the standings each season. Prior to racing touring cars, he drove Spec Miatas, competing in the Global MX-5 Cup and the Teen Mazda Challenge and winning the 25 Hours of Thunderhill race in 2015 and 2016.
Johnny O'Connell 
Justin Bell 
Andre Rapone
Russell Smith
