Image102RACER's Marshall Pruett speaks with Mazda Motorsports director John Doonan to get the lowdown on the brand's big plans and radical changes to its IMSA Prototype program for 2018. For more on the announcement and Mazda Team Joest's next steps, click here.

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Video: The 2017 Formula 1 Issue

 
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RACER Magazine 25th Anniversary Video

33 years of SportsCar magazine history.

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