In the biggest upset of the current IMSA GTP era, Porsche privateer JDC-Miller MotorSports scored a dramatic, last-lap victory in the Monterey SportsCar Championship.

Eleven years after the idea of a “throwback weekend" was first introduced in NASCAR, IMSA is staging its first heritage-themed event at WeatherTech Raceway Laguna Seca this weekend.Conceptually, the event is a 1970s throwback, though the select few teams have brought liveries inspired by designs from the 1980s up to...

IMSA GTD Pro championship leaders and defending Rolex 24 At Daytona class winners Paul Miller Racing have unveiled their special throwback livery for this weekend’s StubHub Monterey SportsCar Championship at WeatherTech Raceway Laguna Seca.The livery of the No. 1 BMW M4 GT3 EVO is inspired by the legendary 1975 BMW...

Corvette Racing by Pratt Miller Motorsports' two Chevrolet Corvette Z06 GT3.Rs will pay tribute to the legendary C5-R.

IMSA has published the entry list for next week’s StubHub Monterey SportsCar Championship at WeatherTech Raceway Laguna Seca. The second sprint race of the IMSA season will have 34 cars entered, all of them full-time competitors in the GTP, GTD Pro and GTD classes.

Fellow American Blake McDonald is set to fill in for the injured Texan at the first two rounds of the FIA WEC season.

Thomas Preining, Ricardo Feller, and Klaus Bachler grabbed the GTD Pro win in the No. 911 Manthey Porsche in only the team’s second IMSA enduro effort. The No. 77 AO Racing Porsche finished a close second in the “Roxy” colors.

Pratt Miller Motorsports will run special red, white, and blue liveries for all of its cars with extra backing from Mobil 1, a partner of the team and the long-serving title sponsor of the Mobil 1 Twelve Hours of Sebring.The two Corvette Racing by Pratt Miller Motorsports GTD Pro cars...

Paul Miller Racing demonstrated that it was just as strong with one BMW M4 GT3 EVO as it was last year with two, coming from the back of the GTD Pro class grid to win the race for the second time as a team.

The GTD Pro lead has traded hands a few times, including one from a three-wide move by the No. 911 Manthey “Grello” Porsche 911 GT3 R driven by Ayhancan Güven.