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The tri-oval is the common shape of the ovals from the construction booms of the 1960s and 1990s. The use of the tri-oval shape for automobile racing was conceived by Bill France, Sr. during the planning for Daytona. The triangular layout allowed fans in the grandstands an angular perspective of the cars coming towards and moving away from ...
Dirt track racing is the single most common form of auto racing in the United States. According to the National Speedway Directory, there are over 700 dirt oval tracks in operation in the US. [1] The composition of the dirt on tracks has an effect on the amount of grip available. Many tracks use clay with a specific mixture of dirt.
In other racing vernacular, the term "tri-oval" is also used to specifically describe the part of the track which represents the top triangular point of the course, which is used as the main stretch, the pit straight and usually the start–finish line. It is recognizable in most tracks by a manicured grass area.
Phoenix Raceway is a 1-mile, low-banked tri-oval race track located in Avondale, Arizona, near Phoenix. The motorsport track opened in 1964 and currently hosts two NASCAR race weekends annually including the final championship race since 2020. Phoenix Raceway has also hosted the CART, IndyCar Series, USAC and the WeatherTech SportsCar ...
Phoenix Raceway, the track where the race was held. Phoenix Raceway – also known as PIR – is a one-mile, low-banked tri-oval race track located in Avondale, Arizona. It is named after the nearby metropolitan area of Phoenix. The motorsport track opened in 1964 and currently hosts two NASCAR race weekends annually.
Talladega Superspeedway (formerly named Alabama International Motor Speedway from 1969 to 1989) is a 2.66-mile (4.28 km) tri-oval superspeedway in Lincoln, Alabama. The track has hosted a variety of racing events since its inaugural season of racing in 1969; primarily races sanctioned by NASCAR. The track has been owned by NASCAR since 2019 ...
Kansas Speedway (formerly known as Kansas International Speedway in initial planning and construction stages) is a 1.500 mi (2.414 km) tri-oval intermediate speedway in Kansas City, Kansas. The track, since its inaugural season of racing in 2001, has hosted a variety of racing series, including NASCAR, IndyCar, and the IMSA SportsCar ...
The park consists of two tracks: a 1 ⁄ 2-mile tri-oval and a 1 ⁄ 4-mile oval. Originally the 1 ⁄ 4-mile oval was a 1 ⁄ 5-mile oval and the 1 ⁄ 4-mile was added later. The 1 ⁄ 5-mile is still there but only used for Davis Mini Cups and quarter midgets. The tri-oval seats 8,500 fans with room for 28 RVs, while the 1/4 mile track seats ...