More than 25,000 runners raced on a cool San Francisco morning.
Each photo will available for a free download.
28-year-old is the youngest female to finish the century mark of marathons.
Bretan breaks the women's course record en route to victory.
He had food posioning the night before the race.
They wear blue to remember the sacrifice of the departed.
The race is partnering with global information company Wipro Technologies.
They prefer 100K and 100-mile races.