Part of the Central Motorcycle Riders Association (CMRA) series. Hallett is a 1.8 mile track with 10 turns in the rolling hills of NE Oklahoma 35 miles west of Tulsa. Hallett has over 80 feet of elevation change and is a fairly technical track. It has wide, grassy run-off areas and no concrete or Armco barriers. It can be run in either clockwise or counter-clockwise directions.