Different tracks have different shapes and dimensions. There is no one answer to your question.
Indianapolis Motor Speedway
It is 2.5 miles long on a parcel of land covering some 1,025 acres.
"Nascar is committed to making the sport - on and off the racetrack - look like America. No other issue is more important to Nascar's success and growth."
The Nascar Nationwide Series, formerly known as the Busch Series, raced at Memphis Motorsports Park from 1999-2009.
In 1665, the first horse racetrack was constructed on Long Island.
The smallest Nascar track in the Sprint Cup Series is Martinsville Speedway. The track measures 0.526 miles in length.
The average is 1 mile.
Yes, there have been several NASCAR races in recent years without 43 drivers. The Kentucky Speedway racetrack does not race 43 cars.
Nascar was founded on February 21, 1948, by Bill France Sr.
Racetrack Babies was created in 1998.
Racetrack Babies ended in 2007.
Tanforan Racetrack ended in 1964.