The 23rd annual Spring Backyard Burn (SBYB) 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.
Lake Fairfax Park
Sunday April 19, 2026
9AM
Reston, VA
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.