This was also a world speed record for the fastest lap of a closed course.
As the race was flown around a closed course, crowds in the grandstands could easily see much of the spectacle.
Events are usually held at closed courses such as driving schools, parking lots, small circuits, or other paved lots.
In 1970, he became the first driver to ever exceed 200 mph (320 km/h) on a closed course.
It was the first major race to run on a closed course instead of from one city to another.
The first 24 hour race to take place on a closed course was at Brooklands, eleven days after its opening in 1907.
But nothing I'd done before prepared me for the sensation of precision driving on a closed course, where focus, technique and judgment rule.
This was also a World Record at the time for any vehicle on a closed course.
Researchers have tested drivers who had small amounts of alcohol, but only on closed and empty courses.
I told her about the closed course in Eatontown.