Defending champs headline the second annual event.
Star-studded lineup will take to the streets of Boston later this month.
In this special edition of RunCenter presented by adidas, Toni Reavis and Mario Fraioli analyze this year's unforgettable races at the
Check out these shots of the top finishers!
Last year's third-place finisher leads a Kenyan sweep at this year's race.
Deep international fields highlight the 116th running of the world's oldest annual marathon.
Defending champions will face strong competition on April 16.
The men's race wasn't decided until the final 100 meters.
She set a new course record by three tenths of a second.
Historic sweeps by Kenyan women in the marathon and the 10,000m.