Equestrian is the only Olympic sport in which men and women compete on equal terms.
There are no separate events for men and women in the three different disciplines — dressage, jumping and eventing.
However, women were only allowed to compete in the sport in 1952 when the competition stopped being restricted to active-duty officers on military horses.
Riders must avoid accumulating penalty points for errors and to do that they rely on harmony with their horses.
Laura Graves of the United States will be aiming to write the perfect ending to her fairytale in Rio at her first Olympic Games.
The former hairdresser...