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.
Canadian Tire Motorsport Park is a multi-track motorsport venue located north of Bowmanville, in Ontario, Canada, 64-kilometre (40 mi) east of Toronto. The facility features a 3.957 km (2.459 mi), 10-turn road course; a 2.9 km (1.8 mi) advance driver and race driver training facility with a 0.402 km (0.250 mi) skid pad and a 1.5 km (0.93 mi) kart track. The name "Mosport", a portmanteau of Motor Sport, came from the enterprise formed to build the track.
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.
Jeff Altenburg is a professional race car driver born in the USA. He has won sixteen national championships in both amateur and professional racing.
Scott Sharp is an American professional racing driver in the United SportsCar Championship. He is the son of six-time SCCA champion Bob Sharp. Sharp is best known for his years as a competitor in the Indy Racing League.
The Honda Indy Toronto is an annual Indy Car race, held in Toronto, Ontario, Canada. Originally known as the Molson Indy Toronto, it was part of the Champ Car World Series from 1986 to 2007. After a one-year hiatus, it has been part of the NTT IndyCar Series schedule since 2009. The race takes place on a 2.874-kilometre (1.786 mi), 11 turn, temporary street circuit through Exhibition Place and on Lake Shore Boulevard. Toronto is classified as an FIA Grade Two circuit.
The RS Spyder is a racing car designed by Porsche in conjunction with Penske to compete in Le Mans Prototype Class 2 (LMP2) racing. The car takes its name from the legendary Porsche 550 Spyder of the 1950s. The car marked Porsche's first return to the top level of sports prototype racing since the firm abandoned its Porsche LMP in 1999.
Klaus Graf is a German professional racing driver. He is the son of rally driver Peter Graf. He lives in the United States while competing in the American Le Mans Series. He resulted LMP1 class champion in 2012, and runner-up in 2010 and 2011.
John Martin was a driver in the USAC and CART Championship Car series.
Tomy Drissi is an American professional stock and sports car racing driver, and an advertising executive in the movie industry. A long-time competitor in the Sports Car Club of America's Trans-Am Series, he was the series' 2009 Champion.
Muscle Milk Pickett Racing was a motorsports group from Indianapolis, Indiana. The team was founded in 2007 by CytoSport co-founder and former IMSA GT Championship driver Greg Pickett. Since 2007, Pickett's team has competed in the United SportsCar Championship, the American Le Mans Series, the 24 Hours of Le Mans and the IMSA GT3 Cup Challenge. The team officially closed in 2014.
The HPD ARX-03a, ARX-03b, and ARX-03c are Le Mans Prototypes race cars developed by Honda Performance Development in 2012. The 03a model utilizes a Honda V8 engine for use in the LMP1 category, while the 03b uses a turbocharged V6 engine for the LMP2 category. Three teams have already announced their use of the ARX-03 in the FIA World Endurance Championship and the American Le Mans Series, as well as at the 24 Hours of Le Mans. Muscle Milk Pickett Racing have purchased an 03a for use in the American Le Mans Series, joined by two 03bs for Level 5 Motorsports. In the 2014 FIA World Endurance Championship, Strakka Racing and JRM Racing campaigned a single 03a each, joined by a single-car 03b entry by Starworks Motorsport in LMP2.
Randy Hembrey is the Director of Road Racing for the United States Auto Club in the newly formed Road Racing division of the iconic sanctioning body. Hembrey served as the Race Director for the SRO Motorsports Group and directed the GT World Challenge America for the 2020 and 2021 seasons.
The 2012 Mobil 1 presents the Grand Prix of Mosport was a multi-class sports car and GT motor race held at Canadian Tire Motorsport Park in Ontario, Canada on July 22, 2012. It was the fifth round of the 2012 American Le Mans Series season and the 30th Grand Prix of Mosport. The race was held a two hour and 45 minute time period, during which 117 laps of the 3.9 kilometre circuit were completed for a race distance of 463 kilometres.
The Chevrolet Grand Prix is an annual IMSA WeatherTech SportsCar Championship race held every July at Canadian Tire Motorsport Park in Bowmanville, Ontario, Canada. The race originated in 1975 and is currently a two hour and forty minute race in order to fit the event into a television-friendly package. Previous editions of the Grand Prix were part of the World Sportscar Championship, the American Le Mans Series and the IMSA GT Championship.
The Mosport Trans-Am race was an annual SCCA Trans-Am Series sports car race held at Canadian Tire Motorsport Park in Bowmanville, Ontario, Canada. The first race was held in 1976.
The 2013 Mobil 1 SportsCar Grand Prix was an auto racing event held at Canadian Tire Motorsports Park, Bowmanville, Ontario, Canada from July 19–21, 2013 The race was the fifth round of the 2013 American Le Mans Series season. Muscle Milk Pickett Racing, with drivers Klaus Graf and Lucas Luhr, extended their streak of season victories to four by earning a win with a four lap gap over second place and P2 class winners Level 5 Motorsports. CORE Autosport led the PC category, while Corvette Racing scored their third victory of the season in the GT class. Alex Job Racing won the GTC category, two weeks after badly damaging their car at the previous event in Lime Rock.
Paul Fix II is an American racecar driver based in Williamsville, New York, United States. He has been competing in the SCCA Professional Trans-Am Series since 2000.
Roger Eagleton is an American race car driver and entrepreneur, born in Glendale, California. He is currently based in Waikiki, Honolulu and is the 2019 Trans-Am West Coast Champion in the GT Class.
Greg Pickett
Klaus Graf 
Jorge Diaz, Jr.
