15
He was 14 when he competed in Beijing.
Olivia Lueders is 21 years old (born November 12, 1996).
13... she competed in the athens olympics
Carson Lueders is 15 years old (born July 26, 2001).
Dawn Fraser was 19 years old when she competed in her first Olympics, the 1956 Summer Games in Melbourne (born September 4, 1937 and swam first Olympic race on November 29, 1956).
Yes 2012 is his 4th olympics because he was on the team as a 15 year old in sydney on 2000.
12
That was John Dane, 58 years old, who competed in sailing.
11
The Swedish shooter Oscar Swahn was 64 when he won a gold medal in shooting during the 1912 Stockholm Games. Hiroshi Hoketsu is a Japanese equestrian who finished 9th in the Dressage Team Grand Prix and 35th in the Dressage Individual Grand Prix at the 2008 Summer Olympics. He was 67 years old.
Dimitrios Loundras, at 10 years 218 days old competed on the parallel bars. He was part of the Greek team that won silver during the 1896 Athens Olympics.