Central Arizona Speedway, Casa Grande, Ariz. March 3-4  —  USCS Sprint Cars. Las Vegas Motor Speedway, Las Vegas, Nev. March 4  —  Monster Energy AMA Supercross. Daytona Int’l Speedway, Daytona Beach, Fla. March 4  —  NASCAR Xfinity Series. Las Vegas Motor Speedway, Las Vegas, Nev. March 4-5  —  USF Pro 2000. Streets of St. Petersburg, St. Petersburg, Fla. March 4-5  —  USF2000. Las Vegas Motor Speedway, Las Vegas, Nev. March 5-6  —  WoO NOS Energy Drink Sprint Car Series. Gainesville Raceway, Gainesville, Fla. March 10-11  —  Xtreme Outlaw Midget Series. Hickory Motor Speedway, Hickory, N.C. March 18  —  USAC-CRA Sprint Car Series.

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