Courtney King is based at Bel Air Farm in Millbrook, New York and is a United States Dressage Federation (USDF) Gold Medalist and USDF Certified Instructor through Fourth Level. In 1998 Courtney competed in the North American Young Riders Championships and by 1999, had become a force to be reckoned with. By 2000 Courtney had been named to the USET Olympic Long List and went on to be named to the USDF High Performance Developing Riders List in 2004. Courtney has previously been dubbed "the Tiger Woods of Dressage" in recognition of her numerous wins.
Courtney has competed in and won numerous championships, including many USDF Regional Championships and Reserve Championships from Training Level through Grand Prix, USDF Horse of the Year Awards and Year-End Championships from the New England Dressage Association (NEDA). In 2007 Courtney and Idocus represented the USA at the World Cup in Las Vegas finishing in 6th place competing against 30 of the best riders in the world. In August 2007, they competed in the USEF National Grand Prix Championships, Gladstone, NJ finishing in second place. In April 2008, King and Idocus qualified and competed in the World Cup in The Netherlands and in August of that year Courtney represented the USA at the Olympic Games in Hong Kong on Harmony's Mythilus.