A surprise winner and a course record highlight the day's action.
They have unique goals at Sunday's race.
Mario Fraioli breaks down the top contenders in each race.
Geoffrey Mutai, Mary Keitany, Caroline Kilel will all race in The Big Apple on November 6.
She took a full minute off her own mark.
In the women's race, Florence Kiplagat ran under 2:20.
There are so many world-class athletes to choose from.
Geoffrey Mutai is also not competing there.
Mary Keitany's training partner put forth a solid effort in the Czech capital.