The earliest version of the Triple Crown requires a driver to win the Indianapolis 500, the 24 Hours of Le Mans, and the World Drivers' Championship of Formula One. The Indianapolis 500 was first held in 1911, the 24 Hours of Le Mans in 1923, and the World Drivers' Championship of Formula One in 1950. A more recent popular definition replaces the World Drivers' Championship with the Monaco Grand Prix, which was first held in 1929. Graham Hill is the only driver to have completed the Triple Crown by either its World Drivers' Championship or Monaco Grand Prix definition.
Among currently active drivers, Jacques Villeneuve and Juan-Pablo Montoya have won two of three events in one version of the crown. Villeneuve won the 1995 Indianapolis 500 and 1997 World Drivers' Championship. Montoya won the 2000 Indianapolis 500 and 2003 Monaco Grand Prix. Fernando Alonso is the only active driver to have won two of three events in both versions of the crown. He won the 2018 and 2019 24 Hours of Le Mans, the 2005 and 2006 World Drivers' Championships, and the 2006 and 2007 editions of the Monaco Grand Prix.
The Indianapolis 500 was part of the World Drivers' Championship from 1950 to 1960. The Monaco Grand Prix has been part of the World Drivers' Championship from 1950 to present. McLaren is the only racing team to have completed the Crown. Mercedes completed the Triple Crown as both a chassis and engine manufacturer by winning the 1952 24 Hours of Le Mans. McLaren completed the Triple Crown as both a team and chassis manufacturer by winning the 1995 24 Hours of Le Mans. Ford completed the Triple Crown as an engine manufacturer by winning the 1968 Monaco Grand Prix.
The Triple Crown of endurance racing includes Le Mans, the 24 Hours of Daytona, and the 12 Hours of Sebring. This crown has been won by Phil Hill, A. J. Foyt, Hans Herrmann, Jackie Oliver, Al Holbert, Hurley Haywood, Mauro Baldi, Andy Wallace, Marco Werner, Timo Bernhard, and Nick Tandy.
From 1971 to 1989, Indy car racing contested its own Triple Crown. From 1971 to 1980, it consisted of the Indianapolis 500, Pocono 500, and California 500. The IndyCar Triple Crown was revived in 2013 with the Indianapolis 500, Pocono 500, and the MAVTV 500. Bobby Unser, A. J. Foyt, Al Unser, Johnny Rutherford, Danny Sullivan, and Rick Mears have achieved the IndyCar Triple Crown over their careers. Al Unser is the only one to achieve it in a single season, in 1978.
The Triple Crown of NASCAR includes the Daytona 500, the Coca-Cola 600, and the Southern 500. This crown has been won by Jeff Gordon, Jimmie Johnson, Darrell Waltrip, David Pearson, Dale Earnhardt, Denny Hamlin, and Kevin Harvick.
The term is used in the National Hot Rod Association to refer to its three most prestigious races: the Winternationals, the U.S. Nationals, and the Finals. John Force has the most Triple Crown wins in his division.
A. J. Foyt and Mario Andretti are the only drivers to have won both the Indianapolis 500 and the Daytona 500. Both drivers also won the Rolex 24 at Daytona and 12 Hours of Sebring.
In Australia, a driver achieves the "Triple Crown" if they win the Sandown 500, the Bathurst 1000, and the Supercars Championship in the same year. Peter Brock in 1978 and 1980, and Craig Lowndes in 1996, are the only drivers to have achieved this feat.
The Japanese Triple Crown is achieved by winning titles in Japanese Formula 3, Super Formula, and Super GT. Nick Cassidy is the only driver to have completed this feat.
This article is based solely on the supplied corpus. No external sources were consulted; claims that could not be substantiated against the corpus were omitted under the drop-the-claim rule.