 Shelby American cars made their mark in American and international sportscar competition.The Cobra was campaigned successfully in the United States Road Racing Championship series and was the platform for the Shelby Daytona Coupe that competed successfully in the GT class of the 1964 and 1965 World Sportscar Championship seasons.The Daytona Coupe finished first in class at the 1964 24 Hours of Le Mans and achieved the first title for an American constructor in the World Sportscar Championship in 1965.