Boston Marathon is expected to be a great day for runners and spectators based on the weather forecast.The weather changes every year, but the challenging 26.2 mile course does not. Boston Marathon 2025 route mapHere's a map of the route through eight communities from Hopkinton to Boylston Street in Boston.

From suburban towns and flat terrains to brutal rolling hills and city streets, the 26.2-mile Boston Marathon course is unlike any other.