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54th Annual Daytona 500

DAYTONA BEACH, FL - FEBRUARY 26: Jimmie Johnson, driver of the #48 Lowe's Chevrolet, waves to fans while holding daughter Genevieve Marie during driver introductions prior to the start of the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 26, 2012 in Daytona Beach, Florida. (Photo by Jerry Markland/Getty Images for NASCAR)

Daytona 500 postponed for first time

The Daytona 500 has been postponed for the first time in its 54-year history.