The Indy Circuit occupies the core valley section of Brands Hatch, exploiting the natural bowl-shaped topography that gave the circuit its distinctive atmosphere. Drivers negotiate Paddock Hill Bend, a steep right-hander with gradients approaching 8% that plunges into the valley, before climbing through Druids hairpin — reached after an uphill braking zone at Hailwood Hill. The track then flows through Graham Hill Bend and along Cooper Straight, which runs parallel to the pit lane. The configuration concludes at Clark Curve, an off-camber, uphill approach to the pit straight and start-finish line.
Because virtually every corner can be seen from the surrounding banks, the Indy Circuit offers some of the most intimate spectating conditions in British motorsport. Noise restrictions limit the number of days per year on which the extended Grand Prix loop can be used, making the Indy layout the workhorse configuration for the majority of Brands Hatch race meetings.
The Indy Circuit's name has a specific historical origin. In 1978, circuit director John Webb arranged for two rounds of the USAC National Championship — American Indy-car racing — to be held in England, one at Silverstone and one at Brands Hatch. The Brands race was contested on the shorter Club Circuit, which was subsequently renamed the Indy Circuit in honour of its American visitors. Rick Mears won that race in a Gould Penske entry; Danny Ongais set the fastest lap at 104.66 mph, a new outright circuit record at the time.
One of the most celebrated moments associated with the Indy Circuit took place on 1 March 1981. A young Brazilian named Ayrton Senna da Silva, competing in the Townsend Thoresen Championship for Formula Ford 1600, drove a Van Diemen RF81 to victory in heavy rain, winning by 9.4 seconds over 15 laps. It was his first car racing win in Britain and, though largely unnoticed at the time, would later be identified as the beginning of a career that reached the pinnacle of Formula One.
The Indy Circuit hosts a large proportion of the annual Brands Hatch calendar. The British Touring Car Championship visits for both its opening and closing rounds each season, with championship titles frequently decided at the Kent venue. Formula Ford events remain a tradition, and the annual Formula Ford Festival — taken over by Brands Hatch from Snetterton in 1976 — is a prestigious end-of-season event for single-seater grassroots racing.
The layout has also hosted rounds of the British Superbike Championship, the DTM (which ran on the Indy configuration during the series' earlier visits before switching to the Grand Prix layout in 2018), and numerous club and national series throughout the motorsport season. The circuit runs meetings on almost every weekend during the season, with crowds for major events reaching up to 50,000.
The outright circuit record on the Indy layout stood, as of 2026, at 0:38.032 seconds, set by Scott Mansell in a Benetton B197 Judd during the 2004 EuroBOSS season. On two wheels, Bradley Ray set a motorcycle record of 0:45.201 seconds on a Suzuki GSX-R1000 at the April 2018 round of the British Superbike Championship.
Brands Hatch has been owned and operated by Jonathan Palmer's MotorSport Vision organisation since January 2004, when it acquired the circuit along with Cadwell Park, Oulton Park and Snetterton from the Octagon group. The venue carries a noise curfew linked to nearby residential development, with race engines restricted to the hours between 08:30 and 18:30.