International Speedway Corporation

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Jimmie Johnson celebrates in Victory Lane after winning the NASCAR Sprint Cup auto race at Daytona International Speedway, Saturday, July 6, 2013, in Daytona Beach, Fla. (AP Photo/Reinhold Matay)

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Sprint Cup Series driver Greg Biffle celebrates his win in the NASCAR Quicken Loans 400 auto race at Michigan International Speedway, Sunday, June 16, 2013 in Brooklyn, Mich. (AP Photo/Carlos Osorio)

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Tony Stewart is showered as he climbs out of the car to celebrate in Victory Lane after winning the NASCAR Sprint Cup Series auto race, Sunday, June 2, 2013, at Dover International Speedway in Dover, Del. (AP Photo/Nick Wass)

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Jimmie Johnson, left, talks with his crew chief, Chad Knaus, outside his garage after practice for the NASCAR Sprint Unlimited Shootout auto race at Daytona International Speedway, Friday, Feb. 15, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

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Trevor Bayne (21) spins in Turn 1 as Brad Keselowski (2) hits the apron and Carl Edwards (99), Scott Speed (95), Josh Wise (35) and Austin Dillon (33) try to avoid them during the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway in Daytona Beach, Fla., on Sunday, Feb. 24, 2013. (AP Photo/Phelan M. Ebenhack)

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Spectators are injured after a tire and engine off Kyle Larson's car flew into the stands during a crash at the conclusion of the NASCAR Nationwide Series auto race Saturday, Feb. 23, 2013, at Daytona International Speedway in Daytona Beach, Fla. (AP Photo/David Graham)

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Kyle Larson (32) goes airborne and into the catch fence in a multi-car crash involving Dale Earnhardt Jr. (88), Parker Kligerman (77), Justin Allgaier (31) and Brian Scott (2) during the final lap of the NASCAR Nationwide Series auto race at Daytona International Speedway, Saturday, Feb. 23, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)

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Driver Kevin Harvick celebrates in victory lane after winning the first of two 150-mile qualifying races for the NASCAR Daytona 500 auto race at Daytona International Speedway, Thursday, Feb. 21, 2013, in Daytona Beach, Fla. (AP Photo/Terry Renna)

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Danica Patrick checks out her car while crew members make adjustments in her garage during a practice session for the NASCAR Daytona 500 Sprint Cup Series auto race at Daytona International Speedway, Saturday, Feb. 16, 2013, in Daytona Beach, Fla. (AP Photo/Phelan M. Ebenhack)

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Dale Earnhardt Jr. stands by his car in his garage after he started a wreck involving a group of cars during NASCAR auto race testing at Daytona International Speedway, Friday, Jan. 11, 2013, in Daytona Beach, Fla. (AP Photo/John Raoux)