Fall Backyard Burn Trail Running Series

5 Mile or 10 Mile
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18th Annual Fall Backyard Burn

The Fall Backyard Burn (FBYB) is a series of 5 and 10 mile trail running races held on some of the best trail networks in the Northern Virginia Area. All the courses include a mixture of forested fire roads, twisty hiking trails, stream crossings, grassy fields, and minimal pavement.

The Spring and Fall Series are both independent of each other. Race in one, two, three, or all four races in the FBYB. After each race, awards are presented to the top five finishers in each age group. In addition, a point system adding competitors’ race point totals (see below) will be used to determine the top five series finishers in each age group. Series prizes and awards are presented at the final race of the FBYB series.

Take advantage of 10% savings by signing up for multiple races in the series at one time (10% off each race).

Lake Fairfax

Sunday October 29, 2023
Lake Fairfax Regional Park
Reston, VA

Located in Reston, VA, this suburban park has a beautiful lake, huge fields, pavilions, and many newly designed trails. This fast and fun race course includes semi-technical forested singletrack, lakeside trails, and open fields.

Riverbend Park

Sunday November 5, 2023
Riverbend Regional Park
Great Falls, VA

Riverbend lies adjacent to the Potomac River and just west of Great Falls National Park. The course is sweet and includes incredible riverside single-track, challenging hills, and amazing views. We are excited to introduce more trail runners to this special park and hope you will decide to come join the fun.


Sunday November 19, 2023
Fountainhead Regional Park
Fairfax Station, VA

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.

Laurel Hill

Sunday December 3, 2023
Laurel Hill/Workhouse Arts Center
Lorton, VA

Located just south of the Capital Beltway in Lorton, this beautiful race course includes a mixture of forested and open meadow singletrack meandering through 1600 acres of the former prison grounds. The race starts and ends under the old guard towers at the Workhouse Arts Center, which is the site of the former Lorton Reformatory.  The course is one of our least technical and most of it is on singletrack that is a mix of dirt and crushed stone.  The only short pavement sections are at the beginning and end of the race.

Registration Fees
(individual races)

5 Mile
$42.50 to $60
* save 10% per race when you sign up for multiple races in the series at the same time

10 Mile
$47.50 to $65
* save 10% per race when you sign up for multiple races in the series at the same time

Point Series Information

Points are awarded to the top 20 places in each age group.  The top 5 most points in each age age group after the last race in the series will win credit towards future EX2 races. $50 for 1st place, $40 for 2nd place, etc.

  • 1st = 50 points
  • 2nd = 41 points
  • 3rd = 35 points
  • 4th = 30 points
  • 5th = 26 points
  • 6th = 23 points
  • 7th = 20 points
  • 8th = 17 points
  • 9th = 15 points
  • 10th = 13 points
  • 11th = 11 points
  • 12th  = 9 points
  • 13th = 8 points
  • 14th = 7 points
  • 15th = 6 points
  • 16th = 5 points
  • 17th  = 4 points
  • 18th = 3 points
  • 19th = 2 points
  • 20th = 1 point

Want More?

Full Race Calendar