The first woman to win an Olympic equestrian medal, Lis Hartel won an individual silver medal for dressage in 1952 (the first year women were allowed to compete). She had overcome polio and was still paralyzed from the knees down.
Cassidy Photos Photos: Equestrian - Olympics: Day 10
Cassidy Photos - Cathrine Dufour of Denmark riding Cassidy competes in the Dressage Individual Grand Prix Freestyle on Day 10 of the Rio 2016 Olympic Games at Olympic Equestrian Centre on August 15, 2016 in Rio de Janeiro, Brazil. - Equestrian - Olympics: Day 10
London Olympics Equestrian July Michael Jung of Germany competes with his horse Sam in the equestrian eventing dressage phase during the competition at Greenwich Park, at the 2012 Summer Olympics, Sunday, July in London.