Boston Marathon March 13, 2020 12:02 pm 2020 Boston Marathon Postponed Until September Citing concerns over the coronavirus, the 2020 Boston Marathon will be postponed until September, Boston Mayor Marty Walsh said Friday. US & World Videos 2:09 Patriots fans head to London 2:49 Karen Read trial cost nearly $210K in police overtime 2:15 Worcester man charged in death of 4-year-old daughter 1:56 Boston police investigate Jamaica Plain shooting 2:25 New Englanders combat misinformation about Hurricanes Helene and Milton