Whelen Engineering Racing captured its second IMSA WeatherTech SportsCar Championship title in three years Saturday night, finishing seventh with the No. 31 Whelen Engineering Cadillac DPi-V.R driven by Eric Curran, Felipe Nasr and Gabby Chaves in the 21st Motul Petit Le Mans.

After winning the season-opening Rolex 24 At Daytona, Mustang Sampling Racing came only one turn shy of bookending the IMSA WeatherTech SportsCar Championship, running out of fuel virtually in sight of the checkered flag for Saturday’s 21st Motul Petit Le Mans after 10 hours of intense racing at Road Atlanta.

Performance Tech Motorsports was forced to retire at the five-hour mark of the Motul Petit Le Mans.

Riding the momentum of last month’s victory at WeatherTech Raceway Laguna Seca, Tequila Patrón ESM will enter the final race of the IMSA WeatherTech SportsCar Championship looking to defend their 2017 Petit Le Mans victory at Road Atlanta. The 21st anniversary of the Motul Petit Le Mans will feature ten hours of racing in both the day and night, challenging man and machine to battle adversity and finish the season with a coveted endurance victory.

Performance Tech Motorsports is armed with seven cars across three championships, two series and one goal; to win at Road Atlanta.

Lucas Di Grassi and Marino Franchitti will join Mazda Team Joest for the ten-hour Petit Le Mans, the season-ending event of the IMSA WeatherTech SportsCar Championship.

Porsche tackles the final round of the 2018 IMSA WeatherTech SportsCar Championship 2018 in Braselton, Georgia (11 to 13 October) with its cars sporting the historic factory livery from 1998. Painted with the distinctive blue and red-orange stripes, the two Porsche 911 RSR racers evoke memories of the 911 GT1, which scored overall victory at the 24 Hours of Le Mans in 1998. Twenty years ago, an identical model started from pole position in the famous Road Atlanta race. It was at the inaugural running of the event under the name “Petit Le Mans”. Facing Ferrari, BMW, Ford and Chevrolet, the Porsche GT Team now aims to build on those unforgettable successes with the two 510 hp race vehicles from Weissach. 

Tequila Patrón ESM returned to victory circle this weekend at WeatherTech Raceway Laguna Seca, starting from the rear of the WeatherTech SportsCar Championship field to win the Continental Monterey Grand Prix by ten seconds. The No. 22 Nissan Onroak DPi of Pipo Derani and Johannes van Overbeek won its second race of 2018, also clinching victory at the Twelve Hours of Sebring earlier this season.

Sunday afternoon at WeatherTech Raceway Laguna Seca, Paul Miller Racing put forth an incredible display of driving expertise and strategy execution to finish in fourth place in the Continental Monterey Grand Prix. Co-drivers Madison Snow and Bryan Sellers endured a chaotic race to defend their points lead over the No. 86 Acura. Heading into the final round at Road Atlanta, Paul Miller Racing holds a six point lead for the IMSA WeatherTech SportsCar Championship.

Whelen Engineering Racing teammates Eric Curran and Felipe Nasr fought to a hard-earned fifth-place finish in Sunday’s America’s Tire 250 at WeatherTech Raceway Laguna Seca.

The Mustang Sampling Racing IMSA championship campaign suffered a setback on Sunday in the opening moments of Sunday’s America’s Tire 250. The No. 5 Mustang Sampling Cadillac DPi-V.R was eliminated in a melee involving four cars at the drop of the green flag at WeatherTech Raceway Laguna Seca.

A dominating performance for the No. 55 Mazda RT24-P went unrewarded as Jonathan Bomarito and Harry Tincknell teamed to finish in fourth position on Sunday afternoon at the Continental Tire Monterey Grand Prix at WeatherTech Raceway Laguna Seca.

This weekend, the IMSA WeatherTech SportsCar Championship returns to the newly renamed WeatherTech Raceway Laguna Seca for round nine of the 2018 prototype championship. The 2018 season has proven to be a challenging one for Tequila Patrón ESM, but the two car Nissan prototype team is ready for the final two races of the season, starting with the Continental Monterey Grand Prix in central California.

The IMSA WeatherTech SportsCar Championship is winding down, but the battle for the GTD class championship continues to intensify with just two races remaining. Paul Miller Racing currently holds a 13 point lead over Meyer Shank Racing heading into the Continental Tire Monterey Grand Prix at WeatherTech Raceway Laguna Seca.

Sunday afternoon’s Michelin GT Challenge at VIRginia International Raceway proved to be a challenging race for IMSA GTD points leaders Paul Miller Racing. The Lamborghini Huracán GT3 team started in fifth and suffered contact from another car, but pressed on to finish in sixth position, keeping a thirteen point lead in the IMSA WeatherTech SportsCar Championship.

Wright Motorsports celebrated their second podium result of this year‘s IMSA SportsCar Championship on Sunday with Porsche works driver Patrick Long (USA) and Porsche Selected Driver Christina Nielsen (Denmark). After winning the Road America race with the Porsche 911 GT3 R, they followed up with another top result, scoring second in the GTD class at the Virginia International Raceway. At round nine of the GTLM class, Earl Bamber (New Zealand) and Laurens Vanthoor (Belgium) secured fifth place in the Porsche 911 RSR with the starting number 912. A technical defect after about an hour put an early end to the race for the sister car shared by Nick Tandy (Great Britain) and Patrick Pilet (France). 

At the Virginia International Raceway, the Porsche GT Team has secured positions two and eight in the GTLM class. In the qualifying for the IMSA SportsCar Championship, the Porsche 911 RSR with the starting number 911 was driven by Patrick Pilet. On a track wet with rain, the Frenchman achieved his fastest time on the last lap. With 1:56.170 minutes, he secured position two in the close session. On Sunday, he joins forces with Nick Tandy (Great Britain) to tackle the race over two hours and 40 minutes. Earl Bamber planted the car with the starting number 912 on P8 with a time of 1:57.874 minutes. The New Zealander will drive the first stint at round nine of the championship before handing the car to his teammate Laurens Vanthoor (Belgium).