Check out these great shots from the 16th annual Rock 'n' Roll Marathon & Half Marathon!
The two-time defending champion will have his hands full in this year's half marathon.
Kenyan betters the course record by 28 seconds.
28-year-old Kenyan moves from the track to the road.
They are choosing instead to win money on the roads.
Eliud Kipchoge will be giving the Eritrean a run for the money.
It was a good day for Kenya in the French city.
Fifteen men break 28 minutes in the 10,000m on a rainy night at the Prefontaine Classic.
Newly minted Masters runner Kevin Castille takes men's 40+ title.