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Running

Fall Backyard Burn Trail Run - Lake Fairfax

Date
October 18, 2026
Distance
5 Mile · 10 Mile
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From the Organizer

Located in Reston, VA, this suburban park has a beautiful lake, huge open fields, pavilions, and an awesome trail network. Our course is almost entirely singletrack except for the prologue.  There is about 300 feet of elevation change on the 5 mile course.  While not overly technical, there are some rocks and roots to negotiate along most of the course.

Race Date: Sunday October 18, 2026
Course Length: 5.1 miles (1 lap) OR 10 miles (2 laps)

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

5 Mile9 AMRegister →
10 Mile9 AMRegister →

Weather

Typical Conditions

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

65°

Typical Low

44°

Chance of Rain

29%

Based on US Climate Normals data from Vienna, 2 mi from the venue.

Sunrise 7:22 AMSunset 6:28 PMDaylight 11h 6m

Host City

About Reston, VA

Nearest Airport

IAD

Washington Dulles International Airport · 8 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

What Are You
Waiting For?

Every finish line starts with a single decision. Claim your spot at Fall Backyard Burn Trail Run - Lake Fairfax, put it on the calendar, and turn “someday” into a start date.

132

Days to train

Race
Fall Backyard Burn Trail Run - Lake Fairfax
Date
October 18, 2026

From Endurance Grid

About This Sport

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.

Read the Guide

Running

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)

What is the Fall Backyard Burn Trail Run - Lake Fairfax?
Fall Backyard Burn Trail Run - Lake Fairfax is a running race held in Reston, Virginia on October 18, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
When and where is the Fall Backyard Burn Trail Run - Lake Fairfax?
Sunday, October 18, 2026 in Reston, Virginia at Lake Fairfax Park, Reston, VA. Check the event page for exact start times and wave schedules.
How do I register for the Fall Backyard Burn Trail Run - Lake Fairfax?
Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.

Fall Backyard Burn Trail Run - Lake Fairfax

Oct 18, 2026

Register →