Race Details Event Date 05/18/25 Race start time(s) 5k Run at 9:00 AM; Paddle races at 11:00, 11:15 and 11:30 AM Registration start 8:00 AM Event Location DCR Blessing of the Bay Boathouse Event Address 32 Shore Drive Event City Somerville Event State MA Race ID 925 Race Description The Mystic River Herring Run and Paddle, which runs every May and celebrates the return of the river herring, includes a 5K run/walk race and three paddle distances (3 miles, 9 miles or 12 miles). Join us to run or paddle—volunteer—or become a sponsor for this event. Event Information Course Map Run course map Website https://mysticriver.org/calendar Social Media Mystic River Watershed Association Facebook page Directions Shore Drive is off of Mystic Ave. and very close to I-93 in Somerville. Results Online Results Athlinks Older Results GSRS Results Archive Recent Results 2025202420232022201920182017 Race comments Race not held in 2020 or 2021