Types of kart racing

Dirt or Speedway Racing: done on oval tracks with either a dirt or asphalt surface; left turn only type of competition. Ovals range from small bull rings to large 1/4 mile tracks. Dirt track racing is an ever-changing situation that provides an excellent challenge; usually held at night.
Asphalt tracks are more constant; can be run day or night.
Ages from 8 and up.

Sprint Racing: takes place on an asphalt road course with right and left hand turns, banked monzas, hairpins and straight-aways. Racing is usually in the daytime.
Ages from 8 and up.

Enduro Racing: held on large asphalt road courses using a lay-down kart that tests machine and driver endurance. Karts are very fast and are raced on big tracks such as Daytona International Speedway and Road America. Races last 45 minutes. Due to speed and the investment, competitors are usually very experienced drivers. Enduros are not recommended for novices. 
Ages 12 and up.

Kids Karts: Designed for drivers 4 to 7 years old.   These karts come with a 50cc engine and are ready to run.  These karts run on Sprint or Speedway tracks and allow the young karter to develop their skills in a safe and controlled environment.