A geographic coordinate system is a coordinate system that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are often chosen such that one of the numbers represents a vertical position and two or three of the numbers represent a horizontal position; alternatively, a geographic position may be expressed in a combined three-dimensional Cartesian vector. A common choice of coordinates is latitude, longitude and elevation. To specify a location on a plane requires a map projection.
Road racing is a form of motorsport racing held on a paved road surfaces. The races can be held either on a closed circuit or on a street circuit utilizing temporarily closed public roads. Originally, road races were held almost entirely on public roads however, public safety concerns eventually led to most races being held on purpose built racing circuits.
Willows is a city in and the county seat of Glenn County, California. The city is a home to regional government offices, including the California Highway Patrol, California Department of Motor Vehicles, the United States Bureau of Reclamation and the main offices of the Mendocino National Forest, which comprises about one million acres of Federal land located mostly in mountainous terrain west of Willows. The population was 6,166 at the 2010 census, down from 6,220 at the 2000 census.
California is a state in the Pacific Region of the United States. With 39.6 million residents, California is the most populous U.S. state and the third-largest by area. The state capital is Sacramento. The Greater Los Angeles Area and the San Francisco Bay Area are the nation's second and fifth most populous urban regions, with 18.7 million and 8.8 million residents respectively. Los Angeles is California's most populous city, and the country's second most populous, after New York City. California also has the nation's most populous county, Los Angeles County, and its largest county by area, San Bernardino County. The City and County of San Francisco is both the country's second-most densely populated major city after New York City and the fifth-most densely populated county, behind only four of the five New York City boroughs.
Thunderhill has two tracks: the original 3 mile track known as Thunderhill East, and a new 2 mile track known as Thunderhill West. The two tracks can also be combined to offer a 5-mile track, the longest road course in America. Thunderhill also offers a large skid pad area as well for drifting and car control events.
Drifting is a driving technique where the driver intentionally oversteers, with loss of traction in the rear wheels or all tires, while maintaining control and driving the car through the entirety of a corner. The technique causes the rear slip angle to exceed the front slip angle to such an extent that often the front wheels are pointing in the opposite direction to the turn. The sport of drifting is not to be confused with the four wheel drift, a classic cornering technique established in Grand Prix and sports car racing.
The venue is available for a wide variety of events or functions. It can be rented for racing events, lapping day events, drifting events, go kart events, driving schools, ride and drive programs, corporate events, commercials, a movie location, trade shows, weddings, receptions, swap meets etc.
San Francisco Region Properties, Inc., dba Thunderhill Park is the wholly owned subsidiary of the San Francisco Region Sports Car Club of America. Thunderhill Raceway has its own board of directors and is operated completely independently of the non-profit subsidiary.
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The Irwindale Event Center' is a motorsports facility located in Irwindale, California, United States. It opened on March 27, 1999 under the official name Irwindale Speedway. Toyota purchased the naming rights to the facility in 2008, and from that time until 2011 it was also known as the Toyota Speedway at Irwindale.
Sonoma Raceway, formerly Sears Point Raceway and Infineon Raceway is a 2.52-mile (4.06 km) road course and drag strip located on the landform known as Sears Point in the southern Sonoma Mountains in Sonoma, California, USA. The road course features 12 turns on a hilly course with 160 feet (49 m) of total elevation change. It is host to one of only three Monster Energy NASCAR Cup Series races each year that are run on road courses. It is also host to the Verizon IndyCar Series, the NHRA Mello Yello Drag Racing Series, and several other auto races and motorcycle races such as the American Federation of Motorcyclists series. Sonoma Raceway continues to host amateur, or club racing events which may or may not be open to the general public. The largest such car club is the Sports Car Club of America.
WeatherTech Raceway Laguna Seca is a paved road racing track in central California used for both auto racing and motorcycle racing, built in 1957 near both Salinas and Monterey, California, United States.
Lucas Oil Raceway is an auto racing facility in Brownsburg, Indiana, United States, about 10 miles west of Downtown Indianapolis. It includes a 0.686-mile (1.104 km) oval track, a 2.5-mile (4.0 km) road course, and a 4,400-foot (1,300 m) drag strip which is among the premier drag racing venues in the world.
Darlington Raceway is a race track built for NASCAR racing located near Darlington, South Carolina. It is nicknamed "The Lady in Black" and "The Track Too Tough to Tame" by many NASCAR fans and drivers and advertised as "A NASCAR Tradition." It is of a unique, somewhat egg-shaped design, an oval with the ends of very different configurations, a condition which supposedly arose from the proximity of one end of the track to a minnow pond the owner refused to relocate. This situation makes it very challenging for the crews to set up their cars' handling in a way that will be effective at both ends.
Gateway Motorsports Park is a motorsport race track in Madison, Illinois, just east of St. Louis, Missouri, United States, close to the Gateway Arch. It features a 1.25-mile (2 kilometer) oval used by the NASCAR Gander Outdoors Truck Series and IndyCar Series, a 1.6-mile (2.6 km) infield road course used by SCCA, Porsche Club of America and various car clubs, and quarter-mile drag strip that hosts an annual National Hot Rod Association event.
Portland International Raceway (PIR) is a motorsport facility in Portland in the U.S. state of Oregon. It is part of the Delta Park complex on the former site of Vanport, just south of the Columbia River. It lies west of a light rail station and less than a mile west of Interstate 5.
Buttonwillow Raceway Park is a motorsports park in Kern County, California, 10 miles (16 km) north of the town of Buttonwillow and 28 miles (45 km) northwest of Bakersfield. Opened in 1996, it is owned and operated by the California Sports Car Club, a region of SCCA, Buttonwillow is the "flagship" track of Cal Club, and is also the location of the Club's administrative offices.
Chris Cook is an American professional race car driver and driving instructor, who instructs at the Bob Bondurant School of High Performance Driving and competes irregularly in the Monster Energy NASCAR Cup Series and other racing series, specializing in road course racing.
Eric Holmes is an American race car driver and three time K&N Pro Series West champion. He currently drives for Bill McAnally in the #20 NAPA Auto Parts Toyota in the K&N Pro Series West.
Utah Motorsports Campus is an auto, motorcycle, bicycle, kart racing and corporate event facility located in the unincorporated Erda area just outside Tooele, Utah, United States. It previously operated under the name of Miller Motorsports Park from 2006 until October 2015.
Willow Springs International Motorsports Park is located in Willow Springs near Rosamond, California, about an hour north of Los Angeles. It is the oldest permanent road course in the United States. Construction began in 1952, with the inaugural race held on November 23, 1953. Willow Springs hosted the first NASCAR events west of the Mississippi. The main track is a 2.5-mile (4.0 km) long road course that is unchanged from its original 1953 configuration. The elevation changes and high average speeds make it a favorite of many road racing drivers.
New Jersey Motorsports Park is a road course "Motorsports Entertainment Complex" located in Millville, Cumberland County, New Jersey, United States. It has hosted races since opening in 2008 and currently boasts a schedule including AMA Pro Road Racing, ARCA Racing Series, American Historic Racing Motorcycle Association, SCCA events, and SCCA Pro Racing's Trans-Am Series.
The 24 Hours of Lemons is a series of endurance races held on paved road race courses across the United States and, since 2016, New Zealand. The series holds the Guinness World Record for the "Most participants in one race".
PBOC Motorsports Club is a membership organization dedicated to racing and drivers education. PBOC Races are open to Porsche, BMW, Mercedes, Audi, Ferrari's, Legends & others. PBOC also offers high performance drivers' schools, charity race events, club races, & other events.
The Adelaide International Raceway is a permanent circuit owned by Australian Motorsport Club Limited under the auspices of the Bob Jane Corporation. The circuit is located 26 km north of Adelaide in South Australia on Port Wakefield Road at Virginia, and is adjacent to Adelaide's premier car racing Dirt track racing venue, Speedway City. AIR is owned by the Bob Jane Corporation and run by the Australian Motorsport Club Ltd.
Old Bridge Township Raceway Park, originally known as Madison Township Raceway Park, is an American auto racing facility located in Old Bridge Township, in Middlesex County, New Jersey, United States,, in the New York metropolitan area.
The St. Thomas Raceway Park is a drag racing course that is utilized both by the professional drivers of NHRA North Central Division in addition to the local amateur competitors; which spans a distance of 0.250 miles (0.402 km).
Palm Beach International Raceway is a motorsports facility located west of Jupiter, Florida. The state-of-the-art facility boasts a quarter-mile drag strip, a 2-mile road course, 7/10-mile kart track as well as mud racing tracks. The road course at Palm Beach International Raceway is a 2-mile, 10-turn circuit. The track was constructed of hot-mix asphalt and set on an aggregate base. It is 40-feet wide with a 1/3-mile section measuring 80-feet.
Carl Rydquist is a Swedish-American FIA Intl B/SCCA Pro/NASA Pro racing driver and a SAG-AFTRA licensed stunt and precision driver who has won many auto races and racing championships. Rydquist gained notoriety for his speed in 2001 when he beat more than 1100 enthusiasts and professional racedrivers in a gocart challenge created by Eurosport to promote their Super Racing Weekend FIA GT and ETCC sports coverage. The event propelled him to his first GT Endurance ride with Apex Racing's Porsche. Rydquist actively competes in racing and has competed in professional drifting. In Rydquist's auto racing career, he currently has a victory in more than one third of his races and podium finishes in three out of four Touring and GT car endurance and sprint races.
