The America's Cup, informally known as the Auld Mug, is a trophy awarded in the sport of sailing. It is the oldest international competition still operating in any sport. America's Cup match races are held between two sailing yachts: one from the yacht club that currently holds the trophy (known as the defender) and the other from the yacht club that is challenging for the cup (the challenger). Matches are held several years apart on dates agreed between the defender and the challenger. There is no fixed schedule, but the races have generally been held every three to four years. The most recent America's Cup match took place in March 2021.
The cup was originally known as the 'R.Y.S. £100 Cup', awarded in 1851 by the British Royal Yacht Squadron for a race around the Isle of Wight in the United Kingdom. The winning yacht was a schooner called America, owned by a syndicate of members from the New York Yacht Club (NYYC). In 1857, the syndicate permanently donated the trophy to the NYYC, under a Deed of Gift that renamed the trophy as the 'America's Cup' after the first winner and required it be made available for perpetual international competition.
Any yacht club that meets the requirements specified in the deed of gift has the right to challenge the yacht club that currently holds the cup. If the challenging club wins the match, it gains stewardship of the cup. From the first defence of the cup in 1870 until the twentieth defence in 1967, there was always only one challenger. In 1970 multiple challengers applied, so a selection series was held to decide which applicant would become the official challenger and compete in the America's Cup match. This approach has been used for each subsequent competition. The Prada Cup (known as the Louis Vuitton Cup from 1983 to 2017) is awarded to the winner of the challenger selection series.
The history and prestige associated with the America's Cup attracts the world's top sailors, yacht designers, wealthy entrepreneurs and sponsors.
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