Fall Backyard Burn Trail Run - Lake Fairfax
Reston, United States • 19 Oct 2025
Event details
The Fall Backyard Burn at Lake Fairfax Park is scheduled for Sunday, October 19, 2025, at Lake Fairfax Park, 1400 Lake Fairfax Drive, Reston, VA 20190. The event offers two distance options:
- 5.1 miles (one lap)
- 10 miles (two laps)
Elevation change is listed as about 300 feet for the 5.1-mile course and about 600 feet for the 10-mile option. The race is part of a series that includes other Backyard Burn events at Riverbend, Hemlock Overlook, Laurel Hill, and Fountainhead.
Course, services and rules
The course is almost entirely singletrack with a short prologue; most of the route is smooth singletrack with a few short technical sections containing rocks and roots. There is little pavement, no extended climbs, and many short ups and downs. The race lists aid stations, medical support, post-race food (including breakfast burritos), awards, and race swag; finish medals are an optional add-on (pre-order and on-site prices noted by the organizer).
A kids program run by Little Fern Learning is available for ages 2-11; drop-off and pickup times are given and pre-registration is required. The event has rules such as no in-ear headphones, no pets or pacers on course, visible race numbers, outside assistance only near aid stations, and a requirement to stay on designated trails. Age divisions include Male, Female, Non-Binary and standard age brackets from 12 and under up to 70-79. The race lists a charity partnership with Homestretch. Visit the organization's website for the most recent information.