Adam co-drove a Jaguar XJR-5 with Bob Tullius at Sears Point in 1983.
Starting his career in sports cars toward the end of the 1970s, Adam drove as a privateer, winning a Canadian championship before being hired professionally. Invited to join the factory backed Group 44 race team in 1980, he spent time co-driving with Bob Tullius in the Triumph TR8 in the IMSA series and had GTO class victories at the 12 Hours of Sebring, Road Atlanta, Mosport, and Road America, as well as a victory at Daytona where he drove alone. In mid-1982, the team unveiled its Prototype Jaguar GTP racer, and it finished 3rd at its first race ever at Road America. In the 1983 season, Adam and Tullius led almost every race but the car proved fragile, although it they did win Road Atlanta, Lime Rock, Mosport and Pocono races. In 1985, Adam joined Conte Racing, co driving with John Paul Jr. in the factory-backed March GTP racer. Power came from a factory engine program at Buick, a V-6 turbo motor that put out in excess of 1000HP. Unfortunately, the power of this engine was more than the chassis could handle and it led almost every race, but broke down in almost every race. Following years were spent with Bayside Racing from Seattle, Washington in their Porsche 962 GTP racer, as well as the Hendricks Motorsport Chevrolet Corvette GTP racer. 1986 & 1987 were also spent in the Rothmans Porsche Cup in Canada with numerous victories as well as winning a prestigious Porsche Cup award, something given out to the world's top Porsche racers. At the 1987 24 Hours of Le Mans, driving a Porsche 962C for Porsche Canada/Brun Motorsport, Adam teamed with Scott Goodyear and Richard Spenard, running as high as 5th overall before stopping with engine problems. One season was spent with the Protofab race team, racing a factory backed effort in both Camaro and Corvette race cars before spending a few years out of motorsport. 1994 saw Adam return to racing, driving the Champion Racing Porsche. Along with co-drivers including John Paul Jr., Juan Manuel Fangio II, Brian Redman, and Thierry Boutsen, he had a second-place finish at the Sebring 12 Hour with Hans-Joachim Stuck in 1995 and second place at Watkins Glen International. He would return in 1996 with Stuck to win the 12 hour Sebring GT1 class. In 1997, he placed 2nd in class, again with Stuck and Boutsen, at the 24 Hours of Daytona.
Recently, Adam has been racing an Audi R8 (chassis 405) in the Historic Sports car Racing series, winning the Daytona WSC Enduro race in November 2005. In 2008, Bill Adam, driving for Jim Rogers, won the overall HSR Championship, placing first in four races and second in the other three in which he partook. In 2010, Adam continued driving for Jim Rogers in a "new" Audi R8. This car, chassis 607, was unraced and used as a showcar by Audi, before being completely gone over by ex Champion crew chief Bobby Green. Teamed with Butch Leitzinger, Adam won the opening HSR race at Sebring for the team's first victory with this car. Road Atlanta and the "Mitty" followed, where teamed with Andy Wallace, they placed 2nd. The rest of the year was complete domination by the Adam/Wallace team as they won at Road America, Wisconsin and followed with pole positions AND wins at Road Atlanta (September), Homestead Miami Speedway, and the Sebring finale, winning the HSR Championship. He is the father of auto racing reporter Shea Adam.
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 Audi R8 is a Le Mans Prototype sports-prototype race car introduced in 2000 for sports car racing as a redevelopment of their Audi R8R and Audi R8C used in 1999. In its class, it is one of the most successful racing sports cars having won the 24 Hours of Le Mans race in 2000, 2001, 2002, 2004, and 2005, five of the six years it competed in total. Its streak of Le Mans victories between 2000 and 2005 was broken only in 2003 by the Bentley Speed 8, another race car fielded that year by Volkswagen Group.
Guy James Mutlow Smith is a British professional racing driver, who has competed in various levels of motorsport, most notably the 24 Hours of Le Mans, which he won in 2003, and the American Le Mans Series, which he won in 2011.
Alvah Robert "Al" Holbert was an American automobile racing driver who was a five-time champion of the IMSA Camel GT series and the fifth driver to complete the informal triple Crown of endurance racing. He once held the record with the most IMSA race wins at 49.
John Lee Paul Jr. was an American racing driver. He competed in CART and the Indy Racing League competitions, but primarily in IMSA GT Championship, winning the title in 1982.
Joest Racing is a German sports car racing team that was established in 1978 by former Porsche works racer Reinhold Joest. Their headquarters are in Wald-Michelbach, Germany.
Richard Westbrook is a British professional racing driver noted for his success in racing Porsche and International sports cars. As a junior, he attended St Joseph's College, Ipswich. He has won both the Porsche Supercup international championship and the Porsche Carrera Cup in his native Britain (2004). At the end of the 2007 season, Richard signed a factory contract deal with the German marque Porsche, and the British ace proceeded to take on the world's best on the other side of the Atlantic. The next year (2009), Westbrook won the highly coveted FIA GT2 Championship, taking four victories in the process, establishing himself firmly on the World motor sport stage and in the upper echelons of elite sports car drivers.
The Racer's Group, or TRG, is a WeatherTech SportsCar Championship racing team located in Petaluma, California, owned by Kevin Buckler and his wife Debra. TRG has competed professionally in road racing since 1995. The team formerly competed in NASCAR as TRG Motorsports from 2007 to 2011.
Dyson Racing is a professional sports car racing team based in Poughkeepsie, New York in the United States. Founded by Rob Dyson in 1974, the team competed successfully in North American sports car racing series, including the IMSA GT Championship and American Le Mans Series.
The Flying Lizard Motorsports group is a motorsport team from Sonoma, California, formed by Seth Neiman in early 2003. The team competed in the full American Le Mans Series season, as well as the 24 Hours of Daytona, and the 24 Hours of Le Mans. The team went on to win six driver and team championships in the American Le Mans Series, becoming a Porsche factory team and Porsche Motorsport North America's development partner from 2007 to 2012. The team helped develop the first- and second-generation 997 GT3 RSR as well as bring it to victory several times in its six-year run in the series. The team solely raced Porsche cars from 2004 to 2019, becoming a staple in the Porsche racing community.
Porsche has been successful in many branches of motorsport of which most have been in long-distance races.
IMSA GT was a sports car racing series organized by International Motor Sports Association. Races took place primarily in the United States and occasionally in Canada.
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The Nissan GTP ZX-Turbo was a series of racing cars developed for Nissan Motors by Electramotive Engineering to compete in the IMSA GT Championship. Running from 1985 to 1990, they were known for being the first car to defeat the Porsche 962 which had dominated IMSA's premiere GTP category. This led to Nissan winning the constructor's championship and 12 Hours of Sebring in 1989 and 1990. During 1990, the GTP ZX-Turbo was replaced by the newer NPT-90.
Johnny Mowlem is a professional British racing driver. During his career Mowlem was ranked amongst the best sports car/GT drivers in the world. Mowlem famously fell off his chair whilst commentating at the 2023 Le Mans 24hr race, having competed in every class of world championship sports car racing.
Bryce Miller is an American racing driver from Summit, New Jersey. He currently drives in the IMSA owned Tudor United SportsCar Championship for Paul Miller Racing. Bryce is the son of Paul Miller and nephew of Kenper Miller, both of whom competed in sports car racing. The family trio aggregates a consolidated 75 years of motor racing experience.
Champion Racing was a sports car racing team based in Pompano Beach, Florida, USA. Founded in 1994 by Dave Maraj, a former rally driver from Trinidad, as the motorsport wing of the Champion Motors car dealership, the team has campaigned various Porsches and Audis in North American road racing series. Champion Racing's extensive record includes a win at the prestigious 24 Hours of Le Mans in 2005, and 5 straight American Le Mans Series LMP1 championships, 2 as a private team and 3 as a factory team under the name Audi Sport North America.
Lucas Luhr is a German racing driver. He is a staple of the American Le Mans Series during the 2000s and early 2010s, winning the GT class with Porsche in 2002, the LMP2 category in 2006, and taking the overall LMP1 championship as part of the Audi Sport North America works outfit in 2008. He also won the P1 title in 2012 and 2013, driving for Honda-fielding Muscle Milk Pickett Racing.
Mike Rockenfeller, nicknamed "Rocky", is a German professional racing driver and was an Audi factory driver competing in the DTM and the FIA World Endurance Championship. He won his first DTM title in 2013, driving for Audi Sport Team Phoenix. He also won the 2010 24 Hours of Le Mans.
Dion von Moltke is an American-born race car driver who has participated under a South African racing license for the majority of his career. Von Moltke currently competes in the IMSA WeatherTech Championship GTD class with Paul Miller Racing in the #48 Audi R8 LMS with co-driver Christopher Haase. His early career involved an upbringing in karts and the Skip Barber National Championship.
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