Caitlyn Pilkington rediscovered her motivation to race after cheering on her charity teammates at a triathlon.
He did it to help the impoverished.
More than $5 million was raised at the October race.
Organizers hope to raise enough money to dig one well in Haiti.
Three men and two women will run the NYC Marathon.
They are starting in Washington D.C. and ending on Boston's Boylston Street.
The event will be held on January 16 to raise funds for children's education.
The annual festival brings in nearly $40 million to the city.
He had never run a marathon before he started his journey.
He did it in a year.