A mathematical model is designed to help runners pace their marathons appropriately.
The crispy treat is handed out to runners near the end of the 26.2-mile race.
She ran unopposed the whole way.
It all comes down to glycogen depletion.
Like most marathon debutants, the winner hit "the wall" at the 20-mile mark.
One of Canada's best distance runners hit "the wall" at mile 22 on Sunday.