Session Times
Times shown in UTC
About Round 10 & 11
The GT4 America series returns to Barber Motorsports Park for Rounds 10 & 11, bringing production-based sports car racing to one of North America's most respected circuits. The series, sanctioned by SRO Motorsports America, features close competition between multiple manufacturers in GT4-specification cars. Barber Motorsports Park in Birmingham, Alabama provides a challenging test for drivers and teams with its technical layout and elevation changes.
GT4 America Series Competition
GT4 America races showcase production-based sports cars modified according to strict technical regulations. The series maintains cost controls while delivering competitive racing across multiple classes. Teams compete in Pro-Am, Am, and Silver categories based on driver experience levels. The Balance of Performance system equalizes different car models through adjustments to weight, engine restrictors, and ride height parameters.
Race Format and Structure
Each GT4 America weekend typically features two sprint races lasting approximately 50 minutes. Most races require a mandatory pit stop for driver changes, adding strategy elements to the competition. Teams must balance speed with consistency across both rounds to maximize championship points.
Technical Specifications
GT4 cars feature regulated modifications covering engine performance, aerodynamics, weight distribution, and safety equipment. Manufacturers homologate their models for GT4 competition, ensuring all cars meet the same technical standards. The regulations keep racing close while allowing teams to demonstrate their preparation and setup skills.
Barber Motorsports Park Circuit
Barber Motorsports Park presents a unique challenge in the GT4 America calendar. The 2.38-mile road course features 17 turns with more than 80 feet of elevation change throughout the lap. This combination creates blind corners, demanding braking zones, and varied corner speeds that test both driver skill and car setup.
Track Characteristics
The circuit combines high-speed sections with tight technical turns. Elevation changes affect braking points and corner approaches, requiring precise execution from drivers. The track surface and wide run-off areas provide good overtaking opportunities while maintaining high safety standards. The layout rewards smooth driving and consistent lap times over single-lap pace.
Facility and Location
Barber Motorsports Park opened in 2003 and has hosted major racing series including IndyCar and IMSA events. The facility includes the Barber Vintage Motorsports Museum, which houses an extensive collection of motorcycles and automobiles. The park's presentation and maintenance standards have earned recognition throughout the motorsports community.
What to Expect from Rounds 10 & 11
The GT4 America rounds at Barber Motorsports Park will feature multi-class racing with cars from manufacturers such as Porsche, BMW, Mercedes-AMG, Aston Martin, and McLaren. The technical nature of the circuit typically produces close racing and multiple position changes throughout each race. Driver changes during pit stops often play a crucial role in final results.
Multi-Class Competition
GT4 America races include multiple driver classifications competing simultaneously on track. This creates varied race strategies as faster classes navigate through slower traffic. The pro-am format allows professional drivers to pair with amateur racers, providing development opportunities and competitive racing across experience levels.
Championship Implications
Late-season rounds often carry significant championship weight as teams and drivers pursue class titles. The double-header format at Barber Motorsports Park offers substantial points opportunities. Consistency across both rounds becomes critical for championship contenders.
GT4 America at Barber
The combination of GT4 America competition and the Barber Motorsports Park circuit creates compelling racing. The track's technical demands highlight the capabilities of GT4 cars and the skills of both professional and amateur drivers. Close competition across multiple classes provides varied racing action throughout each event.