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 Motor Speedway
Built
1961
Length
0.53 mi
Surface
Dirt
Banking
18°
Capacity
162,000

Eldora Speedway
Built
1954
Length
0.5 mi
Surface
Dirt
Banking
24°
Capacity
30,000