Fauja Singh ran his first marathon at age 89 and became an international sensation. Now 101, he'll run his last race in Hong Kong -- and try to find peace with a Guinness World Records slight.
To continue reading this story, click here.OTL: Fauja Singh, the runner
Oldest Marathon Runner (0:31)
At the young age of 101, Fauja Singh is believed to be the world's oldest marathon runner. (0:31)