Circuit de Folembray, commercially known as Cd Sport, is a motorsport facility located in Folembray, Aisne, in the Picardy region of northern France. Opened in 1992, the circuit was initially conceived as a test track for automotive manufacturers and motorsport teams. It has since evolved into a versatile venue hosting a variety of racing events, driver training programs, and corporate events.

The circuit layout is characterized by its flowing and technically demanding design, spanning approximately 2.3 kilometers (1.43 miles). The track features a mix of fast straights, challenging corners, and elevation changes that provide a rewarding experience for drivers of all skill levels. Key sections include a long sweeping right-hander leading onto the main straight, several tight hairpin turns requiring precise braking and throttle control, and a series of esses demanding agility and car balance. The track surface offers good grip levels, contributing to consistent lap times.

While not hosting major international championships, Circuit de Folembray is a popular venue for national racing series, particularly in categories like single-seaters, GT cars, and historic racing. It also frequently hosts track days, driver coaching, and manufacturer testing. The circuit's relatively compact size and intimate atmosphere create a unique and accessible experience for both participants and spectators. The surrounding countryside offers a peaceful and scenic backdrop, adding to the charm of the location.

One of the unique aspects of Folembray is its focus on driver development and training. The circuit's layout is well-suited for honing driving skills, and the facility offers various programs designed to improve car control, racecraft, and overall performance. This emphasis on training, combined with its challenging yet accessible nature, makes Circuit de Folembray a valuable asset to the French motorsport landscape.