Where does the Cambridge Half Marathon + 5K at CambridgeSide (Cambridge, MA) route go?
The Cambridge Half Marathon + 5K at CambridgeSide (Cambridge, MA) route starts at s and finishes at CambridgeSide, 100 CambridgeSide Place, Cambridge, MA; 5K starts at 10:00 a.m. on Saturday, October 31, 2026. Underfoot, expect a road course. The setting includes riverside and city. Quick 3.1-mile out-and-back along the Charles River with views of the Boston skyline.