6 Hours of Watkins Glen
The Six Hours of Watkins Glen is a sports car endurance race held annually at Watkins Glen International in Watkins Glen, New York. Wikipedia
First race: 1948
Most wins (driver): Walt Hansgen, Derek Bell, James Weaver, Scott Pruett (4)
Most wins (manufacturer): Porsche (12)
Most wins (team): Briggs Cunningham (8)