Spring Backyard Burn Trail Run - Lake Fairfax
Reston, United States • 19 Apr 2026
Course and Location
The Spring Backyard Burn Trail Run takes place at Lake Fairfax Park in Reston, Virginia. The course uses the park's trail network, featuring mostly smooth singletrack with views of the lake. The route includes a few short technical sections with rocks and roots, but little pavement. There are no extended climbs, but many short ups and downs.
Race Options
Participants can choose from two distances:
- 5.1 miles (one lap)
- 10 miles (two laps)
The reported elevation gain is 300 feet for the 5.1-mile course and 600 feet for the 10-mile course.
Event Details and Features
The event includes a post-race meal with items like breakfast burritos. An optional on-site kids program is offered through Little Fern Learning. A free kids race is held for ages 2-11. Awards are given to the top five finishers in each age category.
Registration and Fees
Registration fees vary by distance and date. For the 5-mile race, fees range from $45 to $60. For the 10-mile race, fees range from $55 to $67.50. Finisher medals are an optional add-on for a fee. Registered participants receive race swag, which for this event is either a tri-blend t-shirt or a custom car seat cover.
Rules and Logistics
Participants must wear their race number visibly on the front. Portable music players requiring in-ear headphones are not permitted. Pets, pacers, and baby strollers are not allowed on the course. There are no cut-off times. Parking is available in designated areas at Lake Fairfax Park. Visit the organization's website for the most recent information.