NASCAR SPRINT CUP

Kobalt Tools 400

Site: Las Vegas.

Schedule: Today, practice (Speed, noon; qualifying (Speed, 3:30 p.m.); Saturday, practice (Speed, 9 a.m., 11:30 a.m.); Sunday, race, noon (FOX, 11:30 a.m.).

Track: Las Vegas Motor Speedway (oval, 1.5 miles).

Race distance: 400.5 miles, 267 laps.

2012 winner: Tony Stewart.

Next race: Food City 500, March 17, Bristol Motor Speedway, Bristol, Tenn.

Website: www.nascar.com

NASCAR NATIONWIDE

Sam’s Town 300

Site: Las Vegas.

Schedule: Today, practice (Speed, 10 a.m., 1:30 p.m.); Saturday, qualifying (Speed, 10 a.m.), race, 1:15 p.m. (ESPN2, 1 p.m.).

Track: Las Vegas Motor Speedway (oval, 1.5 miles).

Race distance: 300 miles, 200 laps.

2012 winner: Ricky Stenhouse Jr.

Next race: Jeff Foxworthy’s Grit Chips 300, March 16, Bristol Motor Speedway, Bristol, Tenn.

Website: www.nascar.com

NASCAR TRUCKS

Next race: Kroger 250, April 6, Martinsville Speedway, Martinsville, Va.

Website: www.nascar.com

NHRA

Next event: NHRA Gatornationals, March 14-17, Auto Plus Raceway, Gainesville, Fla.

Website: www.nhra.com