Eva since they made babies
5 years
Japan has competed in the Olympics since 1912 so that's 100 years exactly :)
He started competing when he was 8 years old, and he is 25, so he has competed for 17 years.
80 years
78 years (New Zealand)
She competed 4 times in the winter games (1992, 1994, 1998, 2002).
33 years.
Shaun White has been is the Olympics for 3 years.
Usain "the lightning bolt" Bolt. I saw him competed in the Beijing Olympics two years ago, and let me you, who ran through that track liked there was no tomorrow.
365*1,000,000=365,000,000 times
Kelly Clarkson is 29 years old, she is from Texas, and got her start on American Idol. She is currently still famous, and once also competed in a World Idol contest.
I looked around quite a bit, but didn't find much. Darrell Green was in the NFL's fastest man competition 4 times and won in 1991. He competed 4 times in the 90's and 80's. I can't find all the exact years.