Germany's Isabell Werth waves after performing her routine on Weihegold Old during the Equestrian's Dressage Grand Prix event of the 2016 Rio Olympic Games at the Olympic Equestrian Centre in Rio de Janeiro on August 11, 2016. / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
RIO DE JANEIRO, BRAZIL - AUGUST 11: Charlotte Dujardin of Great Britain riding Valegro competes in the Mens/Womens Team Dressage Grand Prix event on Day 6 of the Rio 2016 Olympic Games at the Olympic Equestrian Centre on August 11, 2016 in Rio de Janeiro, Brazil. (Photo by Christian Petersen/Getty Images)
Germany's Dorothee Schneider on Showtime FRH enters the field during the Equestrian's Dressage Grand Prix event of the 2016 Rio Olympic Games at the Olympic Equestrian Centre in Rio de Janeiro, Brazil on August 10, 2016. / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
Germany's Kristina Broring-Sprehe on Desperados FRH performs her routine during the Equestrian's Dressage Grand Prix event of the 2016 Rio Olympic Games at the Olympic Equestrian Centre in Rio de Janeiro, Brazil on August 11, 2016. / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
USA's Laura Graves on Verdades performs her routine during the Equestrian's Dressage Grand Prix event of the 2016 Rio Olympic Games at the Olympic Equestrian Centre in Rio de Janeiro, Brazil, on August 11, 2016. / AFP / John MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)
