Police Issue Traffic Alert For Mystic River Run

GROTON, CT — Police are issuing guidance for drivers this weekend as the Tarzan Brown Mystic River Run will be held Sunday, Nov. 2.

The Town of Groton Police Department posted the following on Facebook:

Traffic Alert Due to the 50th Running of the Tarzan Brown Mystic River Run, Mystic, CT on Nov. 2

The Town of Groton Police Department announces a Traffic Alert and road closures occurring Sunday November 2, 2025, between 11:30 a.m. and 3:30 p.m., in the downtown Mystic area. The alert and road closures are in conjunction with the 50th running of the annual “Tarzan Brown Mystic River Run,” which is sponsored by the Greater Mystic Chamber of Commerce.

The road closures in the Mystic section of Groton are as follows:

- Pearl Street will be closed between Clift Street and West Main Street from 11:30 a.m. to the end of the race.

- Clift Street, Grove Avenue, Starr Street, and Gravel Street will experience road closures at 12:45 p.m. for the children’s run and again just before the start of the adult race, which is 1:00 p.m. These closures are expected to last only a minimal amount of time.

- River Road will only be closed just before the start time of the adult race, which is 1:00 p.m., and will reopen as soon as safety permits.

The Town of Groton Police Department wants to remind everyone to be vigilant and safe when traveling in the downtown Mystic area during the Tarzan Brown Mystic River Run. We also ask for your continued support to ensure we provide a safe and fun environment for all runners, family, and spectators.