The Daytona Twin 150s, known officially as the Gatorade Duel, consists of two 150-mile races that help determine the field for the Daytona 500. Originally, these began as two 100-mile races, then were changed to 125-mile races, and most recently were increased to two 150-mile races.

The Daytona 500 is the first race of the NASCAR season. It is run every February in Daytona Beach, Florida.

The 51st Daytona 500 will be held on February 15, 2009 at 3:30 p.m. EST. Martin Truex, Jr. earned the pole position for the race recording his best lap at 188.001 miles per hour.ESPN.com: Truex in pole position for Daytona 500

Founded in 1947, the Daytona International Speedway is located in Daytona Beach Florida, about 90 minutes south of Jacksonville. The speedway has a capacity of 167,785, and hosts a series of racing events throughout the year. It is afocus of attention for the 4-week period in late January and early February known as Speedweeks, when several important race events are held. These include the 24 Hours Of Daytona, the Daytona ARCA 200, the Budweiser Shootout, and the Daytona Twin 150s, culminating in the race known as the "Super Bowl of NASCAR", the Daytona 500.

• Final Results:

1. Jeff Gordon
2. Tony Stewart
3. Jimmie Johnson
4. Joey Logano
5. Aric Almirola

• Qualifying for Sunday's race: Scott Riggs (eighth) and Regan Smith (based on qualifying time)
• 4 Chevys, 2 Dodges, 2 Toyotas and 2 Fords finished in the in Top 10

Final Results:

1. Kyle Busch
2. Mark Martin
3. Brian Vickers
4. Juan Pablo Montoya
5. Denny Hamlin

• Qualifying for Sunday's race: Jeremy Mayfield (ninth) and A.J. Allmendinger (tenth)
• 4 Toyotas, 3 Chevys, 2 Fords and 1 Dodge finished in the Top 10.

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