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Two-time Daytona 500 champion Michael Waltrip knows every inch of the 2.5-mile Daytona International Speedway trioval.
On Wednesday, Waltrip familiarized himself with the twists-and-turns of the 3.56-mile road course during the final session of the two-day December Rolex 24 At Daytona test.
An owner/driver in the NASCAR Sprint Cup Series with Michael Waltrip Racing, Waltrip tested a [...]

Austin, Texas’s on-again, off-again 2012 date with Formula 1 appears to be back on again.
Officials of the Circuit of The Americas, the road circuit being built near Austin, announced Wednesday that they have reached an agreement with Formula One Management that ensures the Formula 1 United States Grand Prix remains on the FIA Formula 1 [...]

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“New” was the key word during the first of two days of GRAND-AM Series tests at Daytona International on Tuesday. New cars, new drivers, new manufacturers.
A trio of new Corvette Daytona Prototypes shared the spotlight with new cars from Ferrari and Audi as a two-day GRAND-AM Rolex Sports Car Series test opened at Daytona International [...]

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The GRAND-AM Sports Car Series will stage a major test onTuesday and Wednesday at Daytona International Speedway. The test will feature new cars that will compete at this year’s 50th anniversary edition of the Rolex 24 at DIS.
Four Corvettes are among the seven Daytona Prototypes entered, including three making their public debut. GT has a [...]

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AUSTIN, Texas – Embattled promoter Tavo Hellmund has admitted that organizers of the Formula One United States Grand Prix in Austin, Texas, are in breach of contract over “multiple issues,” specifically a $25-million sanctioning fee due for the inaugural event scheduled for Nov. 18, 2012.
Hellmund addressed a number of issues surrounding the status of Circuit [...]

By John Sturbin | Senior Writer
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Formula One boss Bernie Ecclestone has given organizers of Circuit of The Americas in Austin, Texas, one week to agree on a contract and produce a letter of credit guaranteeing payment of a $25-million sanctioning fee to stage the U.S. Grand Prix on Nov. 18, 2012.
Without a guarantee or letter [...]

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Chevrolet announced Tuesday that will field a Corvette Daytona Prototype in the GRAND-AM Road Racing Series in 2012.
The Corvette will debut at the Rolex 24 in January at Daytona International Speedway.
Four teams will campaign the new Corvette in 2012: No. 90 Spirit of Daytona Racing; No. 10 SunTrust Racing; No. 99 GAINSCO/Bob Stallings Racing; and [...]

By John Sturbin | Senior Writer
RacinToday.com
(Editor’s note: The following story has been updated today by its author.)
Organizers of Circuit of The Americas, a $300-million motorsports/entertainment venue being developed in Austin, Texas, abruptly suspended construction Tuesday in a contract dispute involving promoter Full Throttle Productions LP and circuit officials.
Full Throttle Productions, headed by Austin businessman Tavo [...]

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Rumors that a Formula 1 race will be held in New Jersey in 2013 were confirmed during a press conference held on Tuesday.
The New Jersey event will be a street race. It will be held in Hudson County and bordered by the Hudson River. Its backdrop will be the Manhattan skyline, located across the river. [...]

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Mark Winterbottom and Richard Lyons gave Ford Performance Racing its first win of the 2011 Australian V8 Supercars Championship at Surfers Paradise Sunday via a late-race pass in the Armor All Gold Coast 600.
Winterbottom, co-driver of the No. 5 Orrcon Steel FPR Falcon, out-braked the race-leading No. 88 TeamVodafone Holden Commodore of Jamie Whincup and [...]