8 AUG 1992: THE UNITED STATES WOMENS 4x100 METRE RELAY TEAM CELEBRATE AFTER CLAIMING THE GOLD MEDAL AT THE 1992 BARCELONA OLYMPICS. LEFT TO RIGHT CARLETTE GUIDRY-WHITE, EVELYN ASHFORD, ESTHER JONES AND GWEN TORRENCE.

10 Dec 2001: Torchbearer Mary Lou Retton-Kelley passes the Olympic Flame from her torch to a cauldron during the 2002 Salt Lake Olympic Torch Relay in Houston, Texas. DIGITAL IMAGE. Mandatory Credit: Todd Warshaw//Pool/Allsport

Tsunekazu Takeda JPN and Josephine compete in the equestrian / horse jumping individual mixed event during Munich 1972 Olympic Games. Munich, Germany, 3 September 1972.

American swimmer Mark Spitz carries his towel and jacket back to Olympic Village after setting a world record in the 4x200m freestyle relay to win his fifth gold medal at the 1972 Summer Olympics, Munich, West Germany, September 1, 1972. Spitz went on to win a total of seven gold medals, a record for one Olympic Games, all in world record time. (Photo by Express Newspapers/Getty Images)

1972: Mark Spitz of the USA in action at the 1972 Olympics Games in Munich, Germany. Spitz achieved medal winning fame at these Munich Games where he won seven golds, the highest any Olympic Competitor has won for any sport at single Games. He took both freestyle sprint titles together with the butterfly stroke at these distances, with the others medals in sprints and relays. He set world records on 26 occasions in individual events and was expected to win at least six golds at Mexico in 1968, but after a few defeats his confidence was shattered and he took only siver and bronze from an exhausting programme. Twenty years on, he tried to recapture his youth by challenging for a place in the American Olympic team in Barcelona, but was unable to cope with the new high standards. Mandatory Credit: Tony Duffy/Allsport

Japanese ice skater Tomoo Kurosawa arrives at the Olympic Stadium in Tokyo carrying the Olympic Flame during a rehearsal for the Sapporo Winter Olympics, 11th January 1972. The last batch of torches were defective, causing the flame to die during the relay, and have had to be replaced. (Photo by Keystone/Hulton Archive/Getty Images)

Athens 2004-Swimming-4 x 100 m Freestyle Relay-La remise des médailles.

Bora Gulari of the United States and Louisa Chafee of the United States compete in the Nacra 17 Mixed class on Day 11 of the Rio 2016 Olympic Games at the Marina da Gloria on August 16, 2016 in Rio de Janeiro, Brazil.

Gemma Jones of New Zealand and Jason Saunders of New Zealand compete in the Nacra 17 Mixed class on Day 11 of the Rio 2016 Olympic Games at the Marina da Gloria on August 16, 2016 in Rio de Janeiro, Brazil.

Santiago Lange of Argentina and Cecilia Carranza Saroli of Argentina compete on their way to winning the gold medal in the Nacra 17 Mixed class on Day 11 of the Rio 2016 Olympic Games at the Marina da Gloria on August 16, 2016 in Rio de Janeiro, Brazil.