Dirt tracks are exactly what they sound like, tracks with a dirt surface. NASCAR's roots are on dirt. But with the rapid growth of the sport shortly after its inception, the tracks evolved and moved to asphalt. Recently, NASCAR has returned to dirt for a few select events.

Bristol track image

Bristol Motor Speedway

Built

1961

Length

0.53 mi

Surface

Dirt

Banking

18°

Capacity

162,000

Eldora track image

Eldora Speedway

Built

1954

Length

0.5 mi

Surface

Dirt

Banking

24°

Capacity

30,000