Las Vegas Sun - Photograph : 118th Boston Marathon

January 21, 2018

Currently: 45° — Complete forecast

Spectators cheer runners in the Invitational Mile on Saturday, April 19, 2014, in Boston, in advance of Monday's 118th Boston Marathon.

Matt Rourke / AP

Spectators cheer runners in the Invitational Mile on Saturday, April 19, 2014, in Boston, in advance of Monday's 118th Boston Marathon.