The 2026 SRO Motorsports America calendar continues the organization’s tradition of delivering world-class GT racing across North America’s most iconic and demanding circuits. From sweeping natural road courses to modern motorsport landmarks, each venue presents a distinct challenge that puts drivers and teams to the ultimate test across all series of competition. The season launches on the West Coast at Sonoma Raceway before heading south to Circuit of The Americas in Texas, followed by the legendary concrete of Sebring International Raceway in Florida. A return to Michelin Raceway Road Atlanta after a more than decade-long hiatus keeps the momentum building before the championship battles intensify at Road America and Barber Motorsports Park. The campaign reaches its pinnacle at the Racing Capital of the World, Indianapolis Motor Speedway, where champions will ultimately be crowned on one of motorsport’s most storied stages.
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Sonoma Raceway
SONOMA, CA | MARCH 27-29
CIRCUIT: 12 Turns
TRACK LENGTH: 2.52 mi
A familiar and fitting beginning to the season, Sonoma Raceway once again welcomes SRO America for the opening rounds across all championships. Nestled into the rolling hills of California’s wine country, the 12-turn, 2.52-mile circuit is renowned for its technical complexity and dramatic elevation changes. Tight braking zones, off-camber corners, and long straights demand precision from the very first lap of the year. The natural beauty of the surrounding landscape, complete with grazing sheep just beyond the track, adds to the unmistakable character of one of North America’s most scenic road courses.
SERIES ROUND
GTWCA 1
GTAM 1 + 2
GT4AM 1 + 2
TCAM 1 + 2
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Circuit of The Americas
AUSTIN, TX | APRIL 24-26
CIRCUIT: 12 Turns
TRACK LENGTH: 3.427 mi
Circuit of The Americas remains one of the most visually striking and technically diverse stops on the calendar. The 3.427-mile, 12-turn facility blends high-speed straights with complex corner sequences inspired by some of the world’s greatest tracks. Held early in the season once again, the Austin event, which serves as SRO America’s home venue, has grown into a marquee weekend for competitors and spectators alike. The commanding observation tower, bold trackside colors, and state-of-the-art amenities set the scene for the return of the fan-favorite three-hour Lone Star Enduro, where strategy and outright speed converge in Pirelli GT4 America competition.
SERIES ROUND
GTWCA 2
GTAM 3 + 4
GT4AM 3
TCAM 3 + 4
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Sebring International Raceway
SEBRING, FL | MAY 08-10
CIRCUIT: 17 Turns
TRACK LENGTH: 3.741 mi
Few circuits in the world carry the weight of history and challenge quite like Sebring International Raceway. Born from the former Hendricks Army Airfield, Sebring first hosted motorsports competition in 1950 and has since become synonymous with toughness and authenticity. Its 17-turn, 3.741-mile layout is defined by aging and cracked concrete, relentless bumps, sweltering Florida heat, and a surface that punishes even the smallest mistake. For drivers and teams, conquering Sebring is as much a mental test as a physical one, making it a defining stop on the SRO America calendar.
SERIES ROUND
GTWCA 3
GTAM 5 + 6
GT4AM 4 + 5
TCAM 5 + 6
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Michelin Raceway Road Atlanta
BRASELTON, GA | JUNE 12-14
CIRCUIT: 12 Turns
TRACK LENGTH: 2.540 mi
SRO America’s return to Michelin Raceway Road Atlanta after more than 10 years of absence continues to build on the venue’s legendary reputation. Set among the rolling hills of Georgia, the 2.54-mile, 12-turn circuit is celebrated for its fast, flowing nature and dramatic elevation changes. Blind crests, technical braking zones, and high-commitment corners reward confidence and precision, making it a favorite among drivers. Road Atlanta’s challenging layout and passionate fanbase provide an ideal backdrop for showcasing the intensity and quality of SRO America fields.
SERIES ROUND
GTWCA 4
GTAM 7 + 8
GT4AM 6 + 7
TCAM 7 + 8
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Road America
ELKHART LAKE, WI | AUGUST 28-30
CIRCUIT: 14 Turns
TRACK LENGTH: 4.048 mi
Road America still stands strong as one of the purest expressions of road racing in North America. Known as the “National Park of Speed,” the 4.048-mile, 14-turn circuit winds through forests and open countryside, creating a breathtaking setting for high-speed showcases of bravery and refined competition. With much of its original character preserved since its early days, Road America rewards racecraft, commitment, and mechanical efficiency. Long straights and heavy braking zones create ample passing opportunities, ensuring thrilling racing across the board.
SERIES ROUND
GTWCA 5
GTAM 9 + 10
GT4AM 8 + 9
TCAM 9 + 10
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Barber Motorsports Park
BIRMINGHAM, AL | SEPTEMBER 25-27
STREET CIRCUIT: 16 Turns
TRACK LENGTH: 2.38 mi
Barber Motorsports Park offers a striking blend of speed and visual artistry. Often referred to as the “Augusta of Motorsports,” the 2.38-mile circuit is set within meticulously maintained grounds filled with sculptures, water features, and rolling green hills. The flowing 16-turn layout encourages close racing and rewards momentum, while the tranquil surroundings provide a unique contrast to the intensity on track. Barber’s combination of beauty and technical challenges makes it an incredibly distinctive stop for the penultimate rounds of the season.
SERIES ROUND
GTWCA 6
GTAM 11 + 12
GT4AM 10 + 11
TCAM 11 + 12
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Indianapolis Motor Speedway
INDIANAPOLIS, IN | OCTOBER 08-10
CIRCUIT: 14 Turns
TRACK LENGTH: 2.605 mi
Last but certainly not least, the final event of the year will take place at the legendary Indianapolis Motor Speedway, a venue steeped in decades of rich history and tradition. The Brickyard is a dream destination for all drivers, with its world famous Yard of Bricks serving as the ultimate symbol of victory. The road course configuration will be utilized for the SRO America series finales, in addition to welcoming the Intercontinental GT Challenge during the Indy 8 Hour, as global talents battle for championship glory. With its expansive grandstands, iconic Pagoda, and electric atmosphere, Indianapolis remains a timeless cathedral of racing, where legends seek to etch their names in the history books.
SERIES ROUND
GTWCA 7
GTAM 13 + 14
GT4AM 12 + 13
TCAM 13 + 14