« All Events This event has passed. Boston Marathon April 21 @ 9:00 am - 5:00 pm « Group Run EARTH DAY » 129th Boston Marathon. 26.2 miles Hopkington to Boston. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: April 21 Time: 9:00 am - 5:00 pm Event Category: Races Related Events Three Bridges 5 Mile Run August 9 @ 7:00 am - 5:00 pm USATF-NJ 5k XC August 31 @ 8:00 am - 5:00 pm Haworth Run 5K September 27 @ 7:00 am - 5:00 pm