1957 Year Laguna Seca Raceway was built, on land belonging to the U.S. Army's Fort Ord, for an original cost of $1.5 million.
2.238 Length, in miles, of the current, 11-turn course configuration. The circuit was extended from 1.9 miles in '88 to meet the FIM minimum-length regulation for Grand Prix competition, though it's still the shortest on the calendar.
300 Total feet of elevation change per lap, including the legendary Corkscrew (Turns 8 and 8A) that descends 109 feet.
1964 Year the first world championship round was held in America, at Daytona. The USGP returned to Daytona once more in '65, and wasn't held again until '88 at Laguna Seca.