The fastest marathoner of all-time will square off against a stacked field.
It's the most wonderful time of the racing year.
The fastest marathoner in history says he has let bygones be bygones regarding his Olympic snub.
He's looking for an impressive time on the flat course.
He admitted he was happy to have beaten his rival.
The fastest marathoner of all-time won comfortably for the second year in a row.
Jason Hartmann leads the American contingent.
Defending champs headline the second annual event.
Emanuel Mutai will replace him on the Kenyan team.
Star-studded lineup will take to the streets of Boston later this month.