The Hallett Motor Racing Circuit is the place to go for enjoying a top-notch motorsports experience in the Sooner State. It sits in the Osage Hills at a 40-minute drive west from Tulsa, Oklahoma. This 1.8-mile road course hosts regular racing competitions for several sanctioning bodies such as the Sports Car Club of America (SCCA), the Competition Motor Sports Association (COMMA), and the Central Motorcycle Racing Association (CMRA). There is a total vertical gain of 79 feet (24 m) in this asphalt track fully compatible with both clockwise and counterclockwise racing.
The road course in Hallett Motor Racing Circuit has an engaging trajectory with long straightaways and well-located sweepers that merge with the local terrain to create challenging uphill and downhill oscillations. It also has several tight corners, like the Bus Stop in turn two, which comes right after the long Cimarron Straight and forces a speed drop from 120 mph to 40 mph for drivers to avoid going out of track. Each of the turns in Hallett Motor Racing Circuit comes in a particular location in the field to take full advantage of the elevation changes to create an exciting path for racing.
There is no default racing orientation in the Hallett Motor Racing Circuit because of the ample runoffs at both sides and the very symmetrical layout of most turns. That's the reason for the similar average lap times of 1:25.008 for the CCW configuration and 1:25.202 for the CW configuration. Average speeds are also very similar, with 76 mph when running counterclockwise and 74 mph when running in the opposite direction.