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The 1998 SCCA Pro Racing World Challenge was the ninth running of the Sports Car Club of America's World Challenge series. It was the final year before SpeedVision purchased the series, thus giving the World Challenge a TV contract. This led to the series' popularity growing and ultimately surpassing that of the Trans Am Series. 1998 was the final year of the T1/T2 format, as Speed reformatted the classes into GT and TC.
| Round | Circuit | Winning driver (T1) Winning driver (T2) | Winning vehicle (T1) Winning vehicle (T2) |
|---|---|---|---|
| 1 | Topeka |  Bill Cooper | Chevrolet Corvette ZR1 Acura Integra R |
| 2 | Lime Rock | Peter Cunningham | Acura NSX Acura Integra R |
| 3 | Mid-Ohio | Terry Borcheller | Saleen Mustang BMW 328is |
| 4 | Minneapolis | Chris Wiehle | Chevrolet Corvette Acura Integra R |
| 5 | West Michigan | Peter Cunningham | Acura NSX Acura Integra R |
| 6 | Trois Rivieres | Terry Borcheller | Saleen Mustang Acura Integra R |
| 7 | Road America | Terry Borcheller | Saleen Mustang Acura Integra R |
| 8 | Watkins Glen | Terry Borcheller | Saleen Mustang Acura Integra R |
| 9 | Pike's Peak | Terry Borcheller | Saleen Mustang Acura Integra R |
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.
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.
Jimmy Adams is an American race car driver.
Jeff Altenburg is a professional race car driver born in the USA. He has won sixteen national championships in both amateur and professional racing.
The Grand Prix of Minnesota was an auto racing event held from 1996 until 1998 on an Alan Wilson-designed temporary street circuit in Minneapolis, Minnesota near the Hubert H. Humphrey Metrodome. It was known as the Children's Grand Prix of Minneapolis in 1996, changing its name to The Sprint PCS Grand Prix of Minneapolis for its final two years.
The Circuit Trois-Rivières is a street circuit in Trois-Rivières, Quebec, Canada. The circuit has been the home of the annual Grand Prix de Trois-Rivières, the longest-running street race in North America, since 1967. The circuit is located on the Terrain de l'Exposition (fairgrounds) and is unusual in that it passes through Porte Duplessis, the narrow concrete gateway of the grounds at turn 3.
The 2009 SCCA Speed World Challenge was the 20th Speed World Challenge season. began March 18, 2009, and was completed on October 11, after 10 rounds. The Grand Touring championship was won by Brandon Davis driving a Ford Mustang GT, and the Touring Car championship was won by Pierre Kleinubing driving an Acura TSX. It was the last season under the Speed Channel sponsorship.
The 2007 Speed World Challenge season was the 18th season of the SCCA Pro Racing Speed World Challenge. It began on March 16 at Sebring International Raceway and ended October 21 at Mazda Raceway Laguna Seca.
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.
The 1986 SCCA/Escort Endurance Championship season was the second year of the SCCA Endurance Championship. It was the first season of title sponsorship by Escort, replacing title sponsor Playboy Magazine from the previous season. The class structure was also modified, adding the Super Sports (SS) class and combining the C class of the previous year into the B class. The per race purse was set to US$28,000 and the year-end points fund grew to $80,000 - to be split among the four classes.
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.
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 1997 SCCA Pro Racing World Challenge season was the eighth running of the Sports Car Club of America's World Challenge series. The 1997 season is notable in that it began a thirteen-year era of the touring car class being contested primarily between BMW, Mazda, and Acura. This changed in 2010 with the adoption of an entirely new format. 1997 also saw the end of combined classes, with separate races for each group. This lasted until the 2010 season. After several years of having at least three groups, the series was reduced to only two, a format unseen since the series' inaugural season. This went unchanged for thirteen years, after which the series changed to three and later four groups. After only mild success for three seasons, the Saturn brand got its final wins this season as another blow to General Motors in the series.
The 1996 SCCA Pro Racing World Challenge season was the seventh running of the Sports Car Club of America's World Challenge series. It was the final season before a thirteen-year-long rivalry in touring car between BMW, Mazda, and Acura. This was ended in 2010 with the adoption of a new touring car class, moving the older touring cars to a new "GTS" group. It was also the final combined class year until 2010. This was also the final season with more than two classes until 2010. It was the first season with more than three classes since 1992. Eagle got its final wins after being a major competitor in the series since the beginning. The brand was discontinued only a few years later. Also getting its final wins was the Oldsmobile brand, having also been competitive for several years. A notable entry was the Mosler Intruder, a supercar which was never seen again after 1996.
The 1993 SCCA Pro Racing World Challenge season was the fourth running of the Sports Car Club of America's World Challenge series. The D class from 1992 was dropped. Lotus got its final series win, after which the brand would eventually be removed from the American market for several years before returning with the Elise.
The 1992 SCCA Pro Racing World Challenge was the third running of the Sports Car Club of America's World Challenge series. It was the first not to be sponsored by Escort radar detectors. The series would not receive another corporate sponsor until its acquisition by SpeedVision in 1999. It included a 24-hour race at Mosport Park. It would be the final year with four or more groups until 1996. The season would also mark the end of the endurance racing the series was founded upon, gradually phased out until by 1999 its endurance races were replaced with one-hour sprints. The classes were changed from World Challenge, Super Production, and Super Sport to A, B, C, and D.
The 1991 SCCA Escort World Challenge was the second running of the Sports Car Club of America's World Challenge series. It was the final year under sponsorship from Escort radar detectors. The series would not find another corporate sponsor until television network SpeedVision bought the series in 1999. The race in Mexico would be their final race outside of North America until their race in Puerto Rico twelve years later. The series also added a Super Sport group alongside its World Challenge and Super Production groups. The series would also adopt a 24-hour race at Mosport Park.
The West Michigan Grand Prix was a weekend of professional auto racing held at the Scott Brayton Memorial Street Circuit in Grand Rapids, Michigan. The first edition was held in 1998 and the final edition in 1999. The Grand Prix was sanctioned by SCCA Pro Racing.
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.
