Rolex 24 hits the track Thursday:

  • Champions from NASCAR, Grand-Am, IndyCar and international motorsports headline a star-studded lineup for the 48th running of the Rolex 24, set for this weekend at Daytona International Speedway. The event kicks off the 2010 Grand-Am Rolex Sports Car Series — and the international motorsports schedule — when the green flag waves at 3:30 p.m. ET Saturday. Live SPEED coverage begins at 3 p.m. and runs through 10 p.m., and resumes from 7 a.m.-4 p.m. Sunday. Practice for the Rolex 24 begins at 10 a.m. ET Thursday, with qualifying to set for 4:15 p.m. and night practice at 6:30 p.m. Complete coverage of the Rolex 24 will be available at www.grand-am.com. NASCAR drivers participating include: A.J. Allmendinger, Colin Braun, Jimmie Johnson, Bobby Labonte, Jamie McMurray, Paul Menard, Juan Montoya, Max Papis, and Boris Said.(Grand Am PR)(1-28-2010)