Tarzan Brown Mystic River Run
Decision scores
Six 0–100 scores telling you, at a glance, who this race is for.
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About the Race
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): $33 until October 18 $38 from October 19 to November 6 $43 race day (online only, NO paper registrations) 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 a...
Course Profile
Course profile data unavailable for this race.
Course features
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History & past results
Past finisher times and year-over-year participation will appear here once the organizer publishes them.
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Common questions
How hard is the Tarzan Brown Mystic River Run Other?
We don't have a verified elevation profile yet — check the organizer's course map for the climb breakdown.
What should I wear?
Dress for ~10°F warmer than the standing temperature once you start running. Throwaway long-sleeve at the start, gloves and a hat for sub-50°F mornings, singlet plus visor when it climbs above 60°F. The race-day forecast above is the source of truth closer to the date.
When does it sell out?
No published deadline. Most races raise the entry fee in tiers and can sell out without warning — sign up early if you're committed.
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