Magic Valley Speedway at Twin Falls opened in 1986.
Magic Valley Speedway
United States
Trazado: Main Oval
- País
- United States
Datos e historia del circuito
Magic Valley Speedway rejoined NASCAR's Whelen All-American Series in 2011 under former champion Eddy McKean.
Magic Valley's paved third-mile oval hosted the Rocky Mountain Challenge Series championship race in three successive years.
