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Although often used liberally to describe several different types of motorcycle-powered open-wheel racing cars, the term mini sprint actually applies to cars that have an upright-style chassis (the driver sits upright in the seat as in a sprint or midget), a center-mounted 4-cylinder motorcycle engine with a displacement between 750 and 1200cc ...
Sprint cars are open-wheel race cars, designed primarily for the purpose of running on short oval or circular dirt or paved tracks. Historically known simply as "big cars," distinguishing them from "midget cars," sprint car racing is popular primarily in the United States and Canada, as well as in Australia, New Zealand, and South Africa.
Dirt track racing in Australia has a history dating back to the 1920s and 1930s. Most oval track speedways are similar to those in the US for car racing such as sprint cars, speedcars (midgets) and sedans, with most tracks generally around 1 ⁄ 4 to 1 ⁄ 3 mile (400 to 540 m) in length.
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.
Crosskart (also cross car, sprint car, kart cross or off-road kart) is a type of kart racing that takes place on autocross, rallycross, dirt oval or ice racing tracks instead of on paved tracks. Competitions take place in classes that are based on cylinder volume (85 cc, 125 cc, 250 cc, or 650 cc).
After the sale, Boundless (now known as DIRT Motorsports) completed a series of acquisitions of race tracks and added late model racing under the WoO name and big block modified racing, and began signing teams to a new concept where a set number of teams would appear at every race, earning special bonuses (the "Mean 15" for the Sprint Car Series).
Sarah Fisher's quarter midget car in 2007. Quarter midget racing is a form of automobile racing. The cars are approximately one-quarter (1 ⁄ 4) the size of a full-size midget car. The adult-size midget being raced during the start of quarter midget racing used an oval track of one-fifth of a mile in length.
The Ohsweken Speedway is a 0.375 miles (0.604 km) dirt track in the village of Ohsweken, Ontario, Canada.Ohsweken’s weekly Friday night racing program runs from May to September each year, featuring 360 Sprint Cars, Crate Sprint Cars, Thunder Stocks, and Mini Stocks, while the season finishes each year with the annual Northern Sprint Car Nationals.