The first event was held on August 3, 1964, on the short 12-turn, 1.5-mile circuit (north loop). Canadian Ludwig Heimrath drove his Cooper-Ford 289 to victory in the 32-lap feature race.
In 1965 the circuit was expanded to its current 2.65-mile layout. British driver John Surtees, the 1964 Formula One World Champion, won driving a Lola T-70 Chevrolet.
Circuit Length 4.26 km (2.65 miles)
No. of Turns Fifteen (15)
North loop 2.46 km (1.53 miles)
South loop 1.91 km (1.19 miles)
Average width 11 m (36 feet)
TRACK RECORD: 1:16.776 – June 29, 2007 – Tristan Gommendy, 2007 Panoz DP01 * with chicane