
From the Organizer
NEW DAY AND TIME!
In 2026, the 51st Tarzan Brown Mystic River Run will be held on Saturday, November 7th! Kids' run at 9:30 and 5-mile event at 10am.
Great views along the Mystic River, with a post-race party!
Entry fees (no additional fees apply):
Runners and walkers under 18 pay a discounted price of $29. Kids run (10 & under) is FREE, but pre-registration is required.
The race starts and finishes on Pearl Street in Mystic, CT. Food, drink, and awards ceremony to be held post-race.
Events
Weather
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
56°
Typical Low
40°
Chance of Rain
33%
Based on US Climate Normals data from Groton, 3 mi from the venue.
Host City
Elevation
199 ft
Nearest Airport
WST
Westerly State Airport · 9 mi
Major Hub
PVD
Rhode Island T. F. Green International Airport · 38 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
Every finish line starts with a single decision. Claim your spot at Tarzan Brown Mystic River Run, put it on the calendar, and turn “someday” into a start date.
Coming Up
3rd Annual LSC Soccer Stride
6 miles away
5K Training Program for the Battle of Stonington
Less than a mile away
MAD 5K
7 miles away
Mohegan Striders 4-Miler at Sneekers
5 miles away
From Endurance Grid
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
Tarzan Brown Mystic River Run
Nov 7, 2026