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Spring Backyard Burn Trail Run - Lake Fairfax

5 mi · 5.3 mi · 10 Mile · 10 mi

Apr 19, 2026 · Reston, Virginia, US

Listed Dec 11, 2019

ScenicVirginiaFunCause DrivenPush Potential

Run Vibes summary

AI-assisted

At a glance (AI-assisted text)

Explore the beautiful singletrack trails of Lake Fairfax with great lake views and a few technical sections, all while supporting a local charity.

The vibe (AI-assisted text)

This trail run at Lake Fairfax promises a refreshing escape into nature, perfect for runners who love a good mix of smooth and slightly technical singletrack. The energy will likely be friendly and supportive, drawing a community of trail enthusiasts eager to enjoy the outdoors. Plus, with a charity partnership, there's a wonderful sense of purpose woven into the event, making every step count for more than just personal achievement.

Race day (AI-assisted text)

Expect a relaxed but focused atmosphere typical of trail races, where runners are generally more about the experience than aggressive pacing. Packet pickup, while not detailed, is usually straightforward for events of this type. The course will keep you engaged with its varied terrain, and you'll likely find camaraderie among fellow runners as you navigate the ups and downs. Don't anticipate a huge festival, but rather a genuine appreciation for the trails and the cause.

Best for (AI-assisted text)

This event is ideal for trail runners looking for a scenic and engaging course without extreme climbs. It's also a great choice for those who want to support a local non-profit while enjoying a challenging run. If you appreciate singletrack and lake views, this one's for you.

Personality (AI-assisted text)

The event has a grounded, adventurous spirit, inviting runners to connect with nature and each other on the trails. It feels purposeful due to its charity partnership, adding a layer of community contribution to the physical challenge. The overall tone is welcoming and appreciative of the natural beauty surrounding Lake Fairfax.

Weather snapshot (AI-assisted text)

Held in April in Reston, VA, you can generally expect pleasant spring weather, though conditions can vary. Be prepared for anything from cool, crisp air to mild warmth. There's always a chance of spring showers, which could make the trails a bit muddy, so check the forecast closer to race day.

Terrain & course feel (AI-assisted text)

The course primarily features singletrack trails, with most sections being fairly smooth. You'll encounter a few short technical areas with rocks and roots, adding a fun challenge. There are no long, sustained climbs, but expect plenty of short ups and downs to keep your legs working. Pavement is almost entirely absent from the route.

Signals we noticed (from listing text, AI-assisted)

  • runsignup_event_type: trail_race
  • title: Spring Backyard Burn Trail Run
  • description mentions 'beautiful lake and an awesome trail network'
  • description mentions 'best singletrack'
  • description mentions 'great views of the lake'
  • description mentions 'few short technical sections (more rocks and roots)'
  • description mentions 'most of the course is fairly smooth singletrack'
  • description mentions 'barely any pavement'
  • description mentions 'no extended climbs, but lots of short ups and downs'
  • Charity partnership mentioned with Homestretch
  • source_url contains 'ex2adventures.com'

This section is produced with AI from the listing we have on file—think of it as a quick orientation, not a rulebook. Organizers can update start times, courses, policies, and perks at any time, so when something really matters, please lean on their official race page for the latest. We don’t independently verify every detail against live organizer updates; we’re here to help you get a feel for the event and decide if you want to dig deeper.

Original listingFull description from sourceTap to expand · same text as on RunSignup / the official listing

Located in Reston, VA, Lake Fairfax has a beautiful lake and an awesome trail network. Our courses hit the best singletrack and include some great views of the lake.  There are a few short technical sections (more rocks and roots), but most of the course is fairly smooth singletrack.  There is barely any pavement on this course.  There are no extended climbs, but lots of short ups and downs.

All race information including course maps, schedule, etc. can be found on the race website (link below):

https://ex2adventures.com/trail-running/spring-backyard-burn-trail-running-series/sbyb-lake-fairfax-park/

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. 

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Run Vibes summarySummarization pending

AI summarization pending

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Full listing on the race page · official details from the source