Hallett Motor Racing Circuit

Hallett Motor Racing Circuit is a road course about 35-mile (56 km) west of Tulsa in the Green Country of Oklahoma. The track has 10 turns in 1.800 mi (2.897 km), and over 80 ft (24 m) of elevation change.^[2] The track can also be configured to run both clockwise and counter-clockwise, yielding two distinct race courses.

Hallett Motor Racing Circuit^[1]

Location	Hallett, Oklahoma, U.S.
Time zone	UTC−6 / UTC−5 (DST)
Coordinates	36°13′16″N 96°35′35″W
Opened	1976
Major events	Former: Can-Am (1987) Trans-Am Series (1977, 1980) IMSA GT Championship (1977–1979)
Full Circuit (1976–present)
Surface	Asphalt
Length	1.800 miles (2.897 km)
Turns	10
Race lap record	1:12.410 ( Al Lamb, Frissbee GR2, 1987, Can-Am)

Hallett Motor Racing Circuit hosts their own Competition Motor Sports Association (COMMA) events, as well as SCCA events. Motorcycles and high-speed go-karts also run at Hallett.

As well as Central Motorcycle Racing Association sanctioned races, the track also hosts COMMA High Speed Touring dates where regular cars and sports cars can experience laps on the circuit under more controlled circumstances. They also provide driver education classes and a full race instruction program.

Hallett hosted the second round of seven in the SCCA's final Can-Am season.

Hallett Motor Racing Circuit has been featured in many "best tracks in America" listicles.

Lap records

The fastest official race lap records at the Hallett Motor Racing Circuit are listed as:

Category	Time	Driver	Vehicle	Event
Full Circuit: 2.897 km (1976–present)[2]
Can-Am	1:12.410[3]	Al Lamb	Frissbee GR2	1987 Hallett Can-Am Thundercars round
IMSA GTO	1:16.060[4]	Peter Gregg	Porsche 935/77A	1978 Hallett Grand Prix
Trans-Am	1:19.700[5]	Peter Gregg	Porsche 934	1977 Hallett Trans-Am round
IMSA GTU	1:23.120[6]	Dave White	BMW 320i	1979 Mother's Day Grand Prix

2009 Mustang at Hallett 2014 Shelby Meet