All three of NASCAR's top series are at Texas Motor Speedway for a big weekend of racing as the Camping World Trucks, Nationwide and Sprint Cup teams prepare for their final three events of the 2010 season.

Camping World Truck Series drivers hit the 1.5-mile speedway on Thursday for two practice sessions, 1:30 pm and 3:15 pm, followed by qualifying for Friday night's 147-lap race.

Nationwide teams practice Friday morning at 10:00 am and 11:40 am with Sprint Cup drivers receiving their first laps at 1:00 pm before qualifying at 4:40 pm. Nationwide qualifying is set to begin at 6:35 pm. The WinStar World Casino 350K Truck Series race rolls off at 9:00 pm. Catch all of Friday's action live on SPEED.

Saturday's first Sprint Cup practice gets underway at 9:45 am with Happy Hour scheduled for 11:00 am. The 300-mile O'Reilly Challenge Nationwide race takes the green at 12:55 pm. Watch the Sprint Cup practices on SPEED and the Nationwide race on ESPN2.

The AAA Texas 500 NASCAR Sprint Cup Series race will be broadcast on ESPN Sunday at 3:00 pm. All times are eastern.

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