What: Daytona 500
When/where: Today, practice (Speed, 1 p.m.); Saturday, practice (Speed, 10:30 a.m.); Sunday, race, 1 p.m. (Ch. 13, noon); Daytona Beach.
Last year's winner: Matt Kenseth.
Fast facts: Hendrick Motor-sports teammates Mark Martin and Dale Earnhardt Jr. earned the top two starting positions. At 51, Martin is the oldest 500 pole-sitter. … Jimmie Johnson and Kasey Kahne won Thursday's twin 150-mile qualifying races.
Up next: Auto Club 500, Feb. 21, Auto Club Speedway, Fontana, Calif.
What: Drive4COPD 300
When/where: Today, qualifying (ESPN2, 3 p.m.); Saturday, race, 1:15 p.m. (ESPN2, noon); Daytona Beach.
Last year's winner: Tony Stewart.
Fast facts: Danica Patrick is making her NASCAR debut, driving the No. 7 Chevrolet for JR Motorsports. In her stock car debut Saturday, the IndyCar star was sixth in the Daytona ARCA race. She's set to run 13 Nationwide races this year. … Kyle Busch won the series championship last year for Joe Gibbs Racing. … Chrissy Wallace is attempting to join father Mike, uncle Kenny and cousin Steve in the field. If she qualifies, it will mark the first time that a father and daughter have raced together in the series.
Up next: Stater Bros. 300, Feb. 20, Auto Club Speedway, Fontana, Calif.
What: NextEra Energy Resources 250
When/where: Today, race (8 p.m., Speed Channel); Daytona Beach.
Last year's winner: Todd Bodine.
Fast facts: The series has adopted shootout-style, double-file restarts and lifted its year-old ban on changing tires and adding fuel on the same pit stop. … Johnny Benson is driving the No. 95 Ford for Danny Gill. After winning the 2008 series title, Benson lost his ride last season when Red Horse Racing failed to find sponsorship, then was injured in June in a Supermodified event in Michigan.
Up next: Atlanta 200, March 6, Atlanta Motor Speedway, Hampton, Ga.
What: Kragen O'Reilly Winternationals
When/where: Today, qualifying; Saturday, qualifying (ESPN2, 11 p.m.); Sunday, final eliminations (ESPN2, 8 p.m.); Pomona, Calif.
Last year's winners: Ron Capps (Funny Car), Doug Kalitta (Top Fuel) and Jason Line (Pro Stock).
Fast facts: Tony Schumacher (Top Fuel), Robert Hight (Funny Car), Mike Edwards (Pro Stock) and Hector Arana (Pro Stock Motorcycle) are the defending series champions.
Up next: NHRA Arizona Nationals, Feb. 19-21, Firebird International Raceway, Chandler, Ariz.