
From the Organizer
Fountainhead Regional Park is situated along the banks of the Occoquan Reservoir in Western Fairfax County. This awesome race course is beautiful and consists of hiking trails and a few old dirt roads. We’ve been racing at Fountainhead for over 15 years…and it continues to be a racer favorite.
Race Date: Sunday December6, 2026
Course Length and Elevation Gain: 4.8 miles (450 feet) OR 10.5 miles (950 feet)
Charity partnership
During registration, you will have an opportunity to support a local non-profit Homestretch. The goal of the charity partnership is to first and foremost to raise awareness of the services Homestretch provides to families in our area. In addition, we hope to raise funds that will directly support their efforts. Please consider making a donation when you register.
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
49°
Typical Low
30°
Chance of Rain
33%
Based on US Climate Normals data from Vienna, 9 mi from the venue.
Host City
Elevation
366 ft
Nearest Airport
IAD
Washington Dulles International Airport · 15 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 Fall Backyard Burn Trail Run - Fountainhead, put it on the calendar, and turn “someday” into a start date.
181
Days to train
Coming Up
Run Unbridled Track Fest
5 miles away
McLean Moves 5K
Less than a mile away
Steve Thompson 8K
4 miles away
ICF 2026 GLOBAL "IN THEIR SHOES 5K" Run/Walk to Benefit Orphans & Vulnerable Children
Less than a mile 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)
Fall Backyard Burn Trail Run - Fountainhead
Dec 6, 2026