
Flutter Fest 5k is a running race on October 4, 2026 in Mechanicsville, MD, with entry fees from $20 to $35.
From the Organizer
The Butterfly Effect Project Inc. exists to break down financial barriers that prevent individuals from accessing essential mental health and wellness services in Southern Maryland. Rooted in the belief that everyone deserves the opportunity to heal, grow, and thrive, this fund supports those navigating economic hardship, insurance limitations, or systemic inequities that make therapy and wellness care inaccessible.
Inspired by the transformative journey of the butterfly, The Butterfly Effect Project Inc. offers a safe space where individuals can begin their healing process and move toward meaningful change, one step at a time.
Date: Sunday, October 4, 2026
Time: 8:30 am
Location: Baggett Park, 26929 Three Notch Rd, Mechanicsville, MD 20659
Cost: $35 until 30 Aug - increase to $40 until 30 Sep - increase to $45 until Oct 3 at 6:00 pm (NO RACE DATE REGISTRATION)
Packet Pick Up: Race Morning (Sunday, October 4) from 0730 - 0815 at the park
Age Group awards as follows: Over all Male and Female; Top Male and Female in the following age groups: 10 and under, 11-13, 14-18, 20-40, 40+ (Masters Group)
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
70°
Typical Low
51°
Chance of Rain
28%
Based on US Climate Normals data from Mechanicsville 5 Ne, 7 mi from the venue.
Host City
City Elevation
171 ft
Nearest Airport
DCA
Ronald Reagan Washington National Airport · 34 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
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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 an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
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Plan your trip
Coming from out of town? There's more to Mechanicsville than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to MechanicsvilleFrequently Asked Questions (FAQs)
Flutter Fest 5k
Oct 4, 2026