Indianapolis opened in 1909 and its 500-mile race counted towards the World Championship from 1950 to 1960, despite using different cars and regulations. Formula 1 returned in 2000 on an infield road course that ran through part of the oval.
The 2005 United States Grand Prix became infamous when the Michelin teams withdrew after the formation lap, leaving only six cars to race. Michael Schumacher won, but the episode seriously damaged Formula 1's standing in America.
Across 4.192 km, its 13 corners create a distinct rhythm between braking, precision and acceleration. As a permanent racing circuit, it asks drivers and teams to adapt setup, tyre management and race strategy to the venue's particular constraints, while its clockwise direction shapes the sequence of its most demanding sectors.
