Mr. Hiroshi Hoketsu aged 71 is the oldest participant of the 2012 Olympics.
Japan's rider Hiroshi Hoketsu at age 71 was the oldest Olympian at the London 2012 Olympics.
Oscar Swahn is the oldest person to ever compete in the Olympics. He competed in the 1920 Olympics at 72 years old. He competed in sport shooting events.
Galen Spencer was the oldest to receive equestrian medal.
she is 107 years old for 2012
Bob Marley your welcome