The 21st annual Fall Backyard Burn (FBYB) Trail Running Series 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.
Riverbend Park
Sunday November 22, 2026
9AM
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.