Boston River Run 5k 2026 Race Details Event Date 11/08/26 Race start time(s) 9:00 AM Registration start 7:30 AM Event Location Artesani Park Event Address 1255 Soldiers Field Road Event City Boston Event State MA Race ID 974 Event Information Registration URL https://runsignup.com/Race/MA/Boston/BostonRiverRun Course Map Course certification map (not to be used in 2025 due to construction) 2025 Course map (changed due to construction) Website http://www.bostonriverrun.com Social Media Andrew Graham Semper Fi Fund Facebook page USATF Cert. No. MA24021JK Results Online Results Athlinks Older Results Results archive on the race website through 2012Archived Results Recent Results 20262025202420232022202120192018 Race comments Race not held in 2020.