Throughout the 1970s and 80s , she could be seen riding a mare named Burmese at the Trooping the Color ceremony to mark her official birthday . Queen Elizabeth II is given an equestrian lifetime achievement award . Hide Caption British monarch is one of Britain 's leading breeders winning more than 1,600 races .
Queen Elizabeth II is given an equestrian lifetime achievement award . Hide Caption British monarch is one of Britain 's leading breeders winning more than 1,600 races .