IMSA reveals 2027 WeatherTech SportsCar Championship calendar
In what has become an annual tradition for IMSA, the series revealed the 2027 WeatherTech SportsCar Championship calendar at Sebring International Raceway today.
The 2027 IMSA WeatherTech SportsCar Championship calendar retains the same 11 races and venues as this year, in the same order and featuring the same classes as before. This includes the five-race Michelin Endurance Cup.
The opening round and centerpiece of the IMSA calendar, the 65th running of the Rolex 24 At Daytona, was already confirmed for the weekend of January 28–31, one week later than normal due to the alignment of Daytona’s motorsports calendar including the Daytona 500. It is followed by the milestone 75th edition of the Mobil 1 Twelve Hours of Sebring on March 17–20, continuing on its traditional third Saturday in March date.
IMSA’s annual West Coast swing begins with the 100-minute Acura Grand Prix of Long Beach for the GTP and GTD classes on April 16–17, followed by the two-hour, 40-minute sprint at WeatherTech Raceway Laguna Seca on April 30–May 2, featuring the GTP, GTD Pro, and GTD categories. GTP and GTD Pro will race on the streets of Detroit during the Chevrolet Detroit Grand Prix on June 4–5.
Watkins Glen hosts the Sahlen’s Six Hours of the Glen on June 24–27, kicking off the summer portion of the calendar. IMSA’s annual trip north to Canadian Tire Motorsport Park takes place on July 9–11, a sprint race headlined by the LMP2 class, with both GTD Pro and GTD classes. Road America in Elkhart Lake, Wisconsin, will host its six-hour endurance race on July 29–August 1.
VIRginia International Raceway hosts its GT-exclusive sprint race on August 20–22, followed by the TireRack.com Battle on the Bricks sprint at Indianapolis Motor Speedway on September 17–19, and then to close out the year, Michelin Raceway Road Atlanta will host the 30th annual Motul Petit Le Mans on October 6–9.
All of this begins with the three-day test at Daytona, the Roar Before The Rolex 24, on January 22–24. IMSA has also announced plans for more official sanctioned tests prior to the five Michelin Endurance Cup rounds, with further details to be revealed in due course.
“Each season presents an opportunity to build on IMSA’s incredible momentum, and the 2027 schedule represents the very best of our longstanding partnerships and world-class venues,” said IMSA President John Doonan. “We are grateful for the continued collaboration with our television partner, NBC Sports, whose support allows us to showcase IMSA’s thrilling, multi-class racing to race fans everywhere. We also appreciate the cooperation from our fellow sanctioning bodies as we all work together in good faith to minimize date conflicts and create the strongest possible calendar for teams, partners, and fans.
“The 2027 season is especially meaningful as we celebrate several historic milestones: the 75th running of the Mobil 1 Twelve Hours of Sebring, the 70th anniversary of WeatherTech Raceway Laguna Seca, the 65th Rolex 24 At Daytona and the 30th running of Motul Petit Le Mans. These iconic events represent the heart and soul of sports car racing, and we look forward to honoring their legacies with our competitors and passionate fanbase next season.”
IMSA has also announced the ten-round calendar for the 2027 Michelin Pilot Challenge series, headlined by a new event at Lime Rock Park in Connecticut, the FCP Euro Northeast Grand Prix on September 23–25.
This two-hour feature race for GT4 and TCR cars marks IMSA’s return to Lime Rock for the first time since 2023, and it will be one of two headlining rounds for Michelin Pilot Challenge alongside the four-hour race at Mid-Ohio Sports Car Course on June 11–13.
“The loyal fans at Lime Rock Park have been hungry for a return of IMSA competition and we are thrilled to bring it to them in the fall of 2027,” said IMSA President John Doonan. “This race will give the IMSA Michelin Pilot Challenge another well-deserved opportunity in the spotlight and will undoubtedly be a highlight of what we expect will be another highly competitive season in 2027.”
The eight remaining rounds will accompany the IMSA WeatherTech SportsCar Championship, starting with the season-opening four-hour endurance race. The remaining rounds, all two-hour races, include stops at Sebring, Watkins Glen, CTMP, Road America, VIR, Indianapolis, and Road Atlanta.
Lime Rock Park will replace the Michelin Pilot Challenge round at Laguna Seca as the series will not race on the West Coast in 2027.
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