17 April UK Association News Keelboat Endeavour at the Royal Corinthian Yacht Club Flying Fifteen team finish third at the 2025 event 2025, 2025 Keelboat Endeavour, Royal Corinthian Yacht Club The Endeavour Trophy is an invitation event for national champions of keel boats. Since the event was started in 2018, the Flying Fifteen class has previously won the event twice.