Winning an Olympic medal, you would think, would be the greatest honor an athlete can achieve.

But for Japanese runner Yuko Arimori, who has to think twice to remember exactly where her medals are kept, the Olympics are just another meet. Especially now, since turning her illustrious marathon career into a movement for charity.

"The medals are encouraging to look at, but (they are) also things of the past," said Arimori, the first Japanese woman ever to win a marathon medal in the Olympics. "Whether it's the Olympics or another international race, I now see running as something I do for a living.