More than 6,000 ran along the Emerald Necklace in Boston.
The final stop of the NYRR Five-Borough Series in 2015.
Snapshots from one of the most popular marathons in the world.
More than 10,000 athletes from around the globe participated.
The race served as the finale of the 2015 U.S. Skyrunner Series.
The scenic fall marathon stretches from Minneapolis to St. Paul.
Molly Huddle and Sam Chelanga were the big winners.
Eliud Kipchoge won in 2:04:00 despite problems with his shoes.
A fast field, a match race and a new Masters record highlighted the day.