Mark Martin and Jeff Burton turned identical laps of 19.723 seconds to lead this morning's first practice session for NASCAR Sprint Cup teams at Martinsville Speedway. Jamie McMurray topped the speed chart in final practice for Sunday's Goody's Fast Pain Relief 500.

McMurray edged Jeff Burton in happy hour, touring the 1/2 mile flat Martinsville track in 19.752 seconds to Burton's lap of 19.755 seconds.

Brian Vickers, Juan Pablo Montoya and Jeff Gordon completed the top-five in first practice while Clint Bowyer, Jeff Gordon and Denny Hamlin were third, fourth and fifth in the afternoon practice.

Robby Gordon suffered a blown engine in his #7 during happy hour which will force him to start in the back of the field for Sunday's Sprint Cup race.

The Goody's Fast Pain Relief 500 will be televised Sunday live on FOX with coverage beginning at 1:00 p.m. ET.

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